./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97832baecac12bd55b66fbc3c6c38a25db85e9dc70cfa8f34b5e7a9e59086f06 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:45:18,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:45:18,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:45:18,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:45:18,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:45:18,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:45:18,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:45:18,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:45:18,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:45:18,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:45:18,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:45:18,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:45:18,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:45:18,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:45:18,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:45:18,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:45:18,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:45:18,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:45:18,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:45:18,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:45:18,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:45:18,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:45:18,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:45:18,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:45:18,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:45:18,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:45:18,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:45:18,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:45:18,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:45:18,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:45:18,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:45:18,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:45:18,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:45:18,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:45:18,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:45:18,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:45:18,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:45:18,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:45:18,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:45:18,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:45:18,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:45:18,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:45:18,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:45:18,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:45:18,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:45:18,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:45:18,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:45:18,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:45:18,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:45:18,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:45:18,362 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:45:18,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:45:18,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:45:18,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:45:18,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:45:18,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:45:18,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:45:18,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:45:18,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:45:18,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:45:18,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:45:18,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:45:18,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:45:18,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:45:18,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:45:18,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:45:18,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:45:18,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:45:18,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:45:18,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:45:18,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:45:18,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:45:18,369 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:45:18,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:45:18,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:45:18,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:45:18,370 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_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97832baecac12bd55b66fbc3c6c38a25db85e9dc70cfa8f34b5e7a9e59086f06 [2021-11-20 06:45:18,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:45:18,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:45:18,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:45:18,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:45:18,688 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:45:18,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2021-11-20 06:45:18,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/data/af924062b/847393a0670b43038a67ff80d24eed96/FLAGf8f8e64e5 [2021-11-20 06:45:19,282 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:45:19,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2021-11-20 06:45:19,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/data/af924062b/847393a0670b43038a67ff80d24eed96/FLAGf8f8e64e5 [2021-11-20 06:45:19,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/data/af924062b/847393a0670b43038a67ff80d24eed96 [2021-11-20 06:45:19,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:45:19,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:45:19,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:19,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:45:19,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:45:19,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:19" (1/1) ... [2021-11-20 06:45:19,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cd89c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:19, skipping insertion in model container [2021-11-20 06:45:19,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:19" (1/1) ... [2021-11-20 06:45:19,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:45:19,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:45:19,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/sv-benchmarks/c/weaver/chl-node-subst.wvr.c[3996,4009] [2021-11-20 06:45:19,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:19,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:45:19,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/sv-benchmarks/c/weaver/chl-node-subst.wvr.c[3996,4009] [2021-11-20 06:45:19,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:20,016 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:45:20,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20 WrapperNode [2021-11-20 06:45:20,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:20,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:20,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:45:20,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:45:20,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,070 INFO L137 Inliner]: procedures = 27, calls = 66, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 437 [2021-11-20 06:45:20,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:20,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:45:20,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:45:20,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:45:20,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:45:20,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:45:20,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:45:20,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:45:20,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (1/1) ... [2021-11-20 06:45:20,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:45:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:20,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:20,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:45:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:45:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:45:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:45:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:45:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-20 06:45:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-20 06:45:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-20 06:45:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-20 06:45:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-20 06:45:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-20 06:45:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:45:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:45:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:45:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:45:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:45:20,222 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:45:20,428 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:45:20,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:45:21,032 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:45:21,051 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:45:21,056 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 06:45:21,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:21 BoogieIcfgContainer [2021-11-20 06:45:21,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:45:21,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:45:21,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:45:21,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:45:21,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:45:19" (1/3) ... [2021-11-20 06:45:21,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcddae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:21, skipping insertion in model container [2021-11-20 06:45:21,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:20" (2/3) ... [2021-11-20 06:45:21,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcddae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:21, skipping insertion in model container [2021-11-20 06:45:21,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:21" (3/3) ... [2021-11-20 06:45:21,084 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2021-11-20 06:45:21,093 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:45:21,093 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:45:21,093 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:45:21,093 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:45:21,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,227 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,227 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,227 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,227 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,227 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,230 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,230 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,230 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,230 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,230 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,230 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,231 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,232 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,232 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,232 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,232 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,232 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,232 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,233 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,233 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,233 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,233 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,233 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,233 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,234 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,234 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,234 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,234 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,235 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,235 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,235 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,235 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,235 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,235 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,236 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,236 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,236 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,236 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,236 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,236 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,237 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,238 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,242 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,250 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,253 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:45:21,268 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-20 06:45:21,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:45:21,328 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 [2021-11-20 06:45:21,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 06:45:21,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 574 transitions, 1172 flow [2021-11-20 06:45:21,727 INFO L129 PetriNetUnfolder]: 47/571 cut-off events. [2021-11-20 06:45:21,727 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-20 06:45:21,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 571 events. 47/571 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 849 event pairs, 0 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 479. Up to 2 conditions per place. [2021-11-20 06:45:21,745 INFO L82 GeneralOperation]: Start removeDead. Operand has 537 places, 574 transitions, 1172 flow [2021-11-20 06:45:21,758 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 523 places, 560 transitions, 1138 flow [2021-11-20 06:45:21,892 INFO L129 PetriNetUnfolder]: 47/559 cut-off events. [2021-11-20 06:45:21,892 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-20 06:45:21,892 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:21,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:21,894 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:21,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1302692842, now seen corresponding path program 1 times [2021-11-20 06:45:21,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:21,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55512877] [2021-11-20 06:45:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:21,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:22,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:22,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55512877] [2021-11-20 06:45:22,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55512877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:22,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:22,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:45:22,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794486766] [2021-11-20 06:45:22,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:22,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:45:22,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:45:22,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:45:22,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 538 out of 574 [2021-11-20 06:45:22,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 560 transitions, 1138 flow. Second operand has 2 states, 2 states have (on average 543.0) internal successors, (1086), 2 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:22,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:22,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 538 of 574 [2021-11-20 06:45:22,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:22,428 INFO L129 PetriNetUnfolder]: 18/531 cut-off events. [2021-11-20 06:45:22,429 INFO L130 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2021-11-20 06:45:22,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 531 events. 18/531 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 818 event pairs, 0 based on Foata normal form. 34/524 useless extension candidates. Maximal degree in co-relation 455. Up to 7 conditions per place. [2021-11-20 06:45:22,437 INFO L132 encePairwiseOnDemand]: 545/574 looper letters, 6 selfloop transitions, 0 changer transitions 17/531 dead transitions. [2021-11-20 06:45:22,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 531 transitions, 1092 flow [2021-11-20 06:45:22,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:45:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-20 06:45:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1111 transitions. [2021-11-20 06:45:22,457 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9677700348432056 [2021-11-20 06:45:22,457 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1111 transitions. [2021-11-20 06:45:22,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1111 transitions. [2021-11-20 06:45:22,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:22,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1111 transitions. [2021-11-20 06:45:22,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 555.5) internal successors, (1111), 2 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:22,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:22,485 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:22,487 INFO L186 Difference]: Start difference. First operand has 523 places, 560 transitions, 1138 flow. Second operand 2 states and 1111 transitions. [2021-11-20 06:45:22,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 531 transitions, 1092 flow [2021-11-20 06:45:22,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 531 transitions, 1080 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-20 06:45:22,510 INFO L242 Difference]: Finished difference. Result has 518 places, 514 transitions, 1034 flow [2021-11-20 06:45:22,513 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1034, PETRI_PLACES=518, PETRI_TRANSITIONS=514} [2021-11-20 06:45:22,517 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, -5 predicate places. [2021-11-20 06:45:22,517 INFO L470 AbstractCegarLoop]: Abstraction has has 518 places, 514 transitions, 1034 flow [2021-11-20 06:45:22,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 543.0) internal successors, (1086), 2 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:22,518 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:22,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:22,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:45:22,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:22,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash 357575324, now seen corresponding path program 1 times [2021-11-20 06:45:22,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:22,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148614633] [2021-11-20 06:45:22,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:22,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:22,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:22,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148614633] [2021-11-20 06:45:22,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148614633] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:22,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:22,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:45:22,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899111180] [2021-11-20 06:45:22,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:22,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:45:22,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:22,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:45:22,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:45:22,803 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 574 [2021-11-20 06:45:22,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 514 transitions, 1034 flow. Second operand has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:22,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:22,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 574 [2021-11-20 06:45:22,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:23,065 INFO L129 PetriNetUnfolder]: 40/653 cut-off events. [2021-11-20 06:45:23,065 INFO L130 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2021-11-20 06:45:23,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 653 events. 40/653 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1612 event pairs, 10 based on Foata normal form. 0/612 useless extension candidates. Maximal degree in co-relation 703. Up to 35 conditions per place. [2021-11-20 06:45:23,076 INFO L132 encePairwiseOnDemand]: 570/574 looper letters, 14 selfloop transitions, 3 changer transitions 0/518 dead transitions. [2021-11-20 06:45:23,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 518 transitions, 1078 flow [2021-11-20 06:45:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:45:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:45:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1611 transitions. [2021-11-20 06:45:23,082 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9355400696864111 [2021-11-20 06:45:23,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1611 transitions. [2021-11-20 06:45:23,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1611 transitions. [2021-11-20 06:45:23,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:23,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1611 transitions. [2021-11-20 06:45:23,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 537.0) internal successors, (1611), 3 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,097 INFO L186 Difference]: Start difference. First operand has 518 places, 514 transitions, 1034 flow. Second operand 3 states and 1611 transitions. [2021-11-20 06:45:23,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 518 transitions, 1078 flow [2021-11-20 06:45:23,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 518 transitions, 1078 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:45:23,111 INFO L242 Difference]: Finished difference. Result has 505 places, 516 transitions, 1056 flow [2021-11-20 06:45:23,113 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=505, PETRI_TRANSITIONS=516} [2021-11-20 06:45:23,114 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, -18 predicate places. [2021-11-20 06:45:23,114 INFO L470 AbstractCegarLoop]: Abstraction has has 505 places, 516 transitions, 1056 flow [2021-11-20 06:45:23,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,116 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:23,116 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:23,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:45:23,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:23,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1088012698, now seen corresponding path program 1 times [2021-11-20 06:45:23,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:23,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456422980] [2021-11-20 06:45:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:23,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:23,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:23,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456422980] [2021-11-20 06:45:23,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456422980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:23,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:23,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:45:23,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57381895] [2021-11-20 06:45:23,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:23,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:45:23,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:23,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:45:23,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:45:23,355 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 574 [2021-11-20 06:45:23,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 516 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:23,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 574 [2021-11-20 06:45:23,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:23,608 INFO L129 PetriNetUnfolder]: 48/795 cut-off events. [2021-11-20 06:45:23,608 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-11-20 06:45:23,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 795 events. 48/795 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2824 event pairs, 10 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 877. Up to 35 conditions per place. [2021-11-20 06:45:23,622 INFO L132 encePairwiseOnDemand]: 570/574 looper letters, 14 selfloop transitions, 3 changer transitions 0/520 dead transitions. [2021-11-20 06:45:23,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 520 transitions, 1100 flow [2021-11-20 06:45:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:45:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:45:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1611 transitions. [2021-11-20 06:45:23,628 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9355400696864111 [2021-11-20 06:45:23,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1611 transitions. [2021-11-20 06:45:23,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1611 transitions. [2021-11-20 06:45:23,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:23,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1611 transitions. [2021-11-20 06:45:23,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 537.0) internal successors, (1611), 3 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,644 INFO L186 Difference]: Start difference. First operand has 505 places, 516 transitions, 1056 flow. Second operand 3 states and 1611 transitions. [2021-11-20 06:45:23,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 520 transitions, 1100 flow [2021-11-20 06:45:23,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 520 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:23,659 INFO L242 Difference]: Finished difference. Result has 507 places, 518 transitions, 1072 flow [2021-11-20 06:45:23,660 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=507, PETRI_TRANSITIONS=518} [2021-11-20 06:45:23,663 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, -16 predicate places. [2021-11-20 06:45:23,663 INFO L470 AbstractCegarLoop]: Abstraction has has 507 places, 518 transitions, 1072 flow [2021-11-20 06:45:23,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,665 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:23,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:23,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:45:23,666 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1442648426, now seen corresponding path program 1 times [2021-11-20 06:45:23,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:23,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584406047] [2021-11-20 06:45:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:23,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:23,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:23,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584406047] [2021-11-20 06:45:23,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584406047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:23,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:23,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:45:23,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985667625] [2021-11-20 06:45:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:23,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:45:23,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:23,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:45:23,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:45:23,836 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 574 [2021-11-20 06:45:23,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 518 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:23,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:23,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 574 [2021-11-20 06:45:23,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:24,063 INFO L129 PetriNetUnfolder]: 44/735 cut-off events. [2021-11-20 06:45:24,063 INFO L130 PetriNetUnfolder]: For 13/38 co-relation queries the response was YES. [2021-11-20 06:45:24,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 735 events. 44/735 cut-off events. For 13/38 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2264 event pairs, 10 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 813. Up to 35 conditions per place. [2021-11-20 06:45:24,079 INFO L132 encePairwiseOnDemand]: 570/574 looper letters, 14 selfloop transitions, 3 changer transitions 0/522 dead transitions. [2021-11-20 06:45:24,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 522 transitions, 1116 flow [2021-11-20 06:45:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:45:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:45:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1611 transitions. [2021-11-20 06:45:24,085 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9355400696864111 [2021-11-20 06:45:24,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1611 transitions. [2021-11-20 06:45:24,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1611 transitions. [2021-11-20 06:45:24,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:24,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1611 transitions. [2021-11-20 06:45:24,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 537.0) internal successors, (1611), 3 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:24,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:24,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:24,101 INFO L186 Difference]: Start difference. First operand has 507 places, 518 transitions, 1072 flow. Second operand 3 states and 1611 transitions. [2021-11-20 06:45:24,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 522 transitions, 1116 flow [2021-11-20 06:45:24,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 522 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:24,121 INFO L242 Difference]: Finished difference. Result has 509 places, 520 transitions, 1088 flow [2021-11-20 06:45:24,122 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=509, PETRI_TRANSITIONS=520} [2021-11-20 06:45:24,124 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, -14 predicate places. [2021-11-20 06:45:24,124 INFO L470 AbstractCegarLoop]: Abstraction has has 509 places, 520 transitions, 1088 flow [2021-11-20 06:45:24,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:24,126 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:24,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:24,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:45:24,127 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:24,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1187024020, now seen corresponding path program 1 times [2021-11-20 06:45:24,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:24,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004269180] [2021-11-20 06:45:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:24,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:24,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004269180] [2021-11-20 06:45:24,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004269180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:24,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:24,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:45:24,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845777450] [2021-11-20 06:45:24,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:24,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:45:24,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:24,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:45:24,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:45:24,554 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 574 [2021-11-20 06:45:24,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 520 transitions, 1088 flow. Second operand has 8 states, 8 states have (on average 426.375) internal successors, (3411), 8 states have internal predecessors, (3411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:24,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:24,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 574 [2021-11-20 06:45:24,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:25,036 INFO L129 PetriNetUnfolder]: 67/1019 cut-off events. [2021-11-20 06:45:25,036 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-11-20 06:45:25,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1257 conditions, 1019 events. 67/1019 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3999 event pairs, 21 based on Foata normal form. 0/956 useless extension candidates. Maximal degree in co-relation 1250. Up to 132 conditions per place. [2021-11-20 06:45:25,058 INFO L132 encePairwiseOnDemand]: 562/574 looper letters, 106 selfloop transitions, 11 changer transitions 0/524 dead transitions. [2021-11-20 06:45:25,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 524 transitions, 1330 flow [2021-11-20 06:45:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:45:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:45:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3844 transitions. [2021-11-20 06:45:25,071 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7440960123886953 [2021-11-20 06:45:25,071 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3844 transitions. [2021-11-20 06:45:25,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3844 transitions. [2021-11-20 06:45:25,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:25,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3844 transitions. [2021-11-20 06:45:25,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 427.1111111111111) internal successors, (3844), 9 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:25,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 574.0) internal successors, (5740), 10 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:25,104 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 574.0) internal successors, (5740), 10 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:25,105 INFO L186 Difference]: Start difference. First operand has 509 places, 520 transitions, 1088 flow. Second operand 9 states and 3844 transitions. [2021-11-20 06:45:25,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 524 transitions, 1330 flow [2021-11-20 06:45:25,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 524 transitions, 1324 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:25,120 INFO L242 Difference]: Finished difference. Result has 516 places, 521 transitions, 1112 flow [2021-11-20 06:45:25,121 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1112, PETRI_PLACES=516, PETRI_TRANSITIONS=521} [2021-11-20 06:45:25,122 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, -7 predicate places. [2021-11-20 06:45:25,122 INFO L470 AbstractCegarLoop]: Abstraction has has 516 places, 521 transitions, 1112 flow [2021-11-20 06:45:25,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 426.375) internal successors, (3411), 8 states have internal predecessors, (3411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:25,124 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:25,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:25,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:45:25,125 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:25,126 INFO L85 PathProgramCache]: Analyzing trace with hash -136601791, now seen corresponding path program 1 times [2021-11-20 06:45:25,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:25,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643538127] [2021-11-20 06:45:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:25,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:25,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:25,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643538127] [2021-11-20 06:45:25,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643538127] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:25,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571902571] [2021-11-20 06:45:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:25,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:25,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:25,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:25,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:45:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:25,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:45:25,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:26,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:45:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:27,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571902571] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:27,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:45:27,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2021-11-20 06:45:27,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591711374] [2021-11-20 06:45:27,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:27,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:45:27,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:27,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:45:27,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:45:27,356 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 574 [2021-11-20 06:45:27,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 521 transitions, 1112 flow. Second operand has 9 states, 9 states have (on average 466.0) internal successors, (4194), 9 states have internal predecessors, (4194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:27,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:27,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 574 [2021-11-20 06:45:27,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:27,886 INFO L129 PetriNetUnfolder]: 67/1020 cut-off events. [2021-11-20 06:45:27,887 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-11-20 06:45:27,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 1020 events. 67/1020 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3992 event pairs, 21 based on Foata normal form. 0/957 useless extension candidates. Maximal degree in co-relation 1235. Up to 91 conditions per place. [2021-11-20 06:45:27,909 INFO L132 encePairwiseOnDemand]: 554/574 looper letters, 69 selfloop transitions, 19 changer transitions 0/523 dead transitions. [2021-11-20 06:45:27,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 523 transitions, 1292 flow [2021-11-20 06:45:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:45:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 06:45:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 6055 transitions. [2021-11-20 06:45:27,928 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8114446529080676 [2021-11-20 06:45:27,928 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 6055 transitions. [2021-11-20 06:45:27,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 6055 transitions. [2021-11-20 06:45:27,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:27,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 6055 transitions. [2021-11-20 06:45:27,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 465.7692307692308) internal successors, (6055), 13 states have internal predecessors, (6055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:27,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 574.0) internal successors, (8036), 14 states have internal predecessors, (8036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:27,969 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 574.0) internal successors, (8036), 14 states have internal predecessors, (8036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:27,969 INFO L186 Difference]: Start difference. First operand has 516 places, 521 transitions, 1112 flow. Second operand 13 states and 6055 transitions. [2021-11-20 06:45:27,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 523 transitions, 1292 flow [2021-11-20 06:45:27,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 523 transitions, 1272 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-20 06:45:27,984 INFO L242 Difference]: Finished difference. Result has 524 places, 523 transitions, 1150 flow [2021-11-20 06:45:27,985 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1150, PETRI_PLACES=524, PETRI_TRANSITIONS=523} [2021-11-20 06:45:27,986 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 1 predicate places. [2021-11-20 06:45:27,986 INFO L470 AbstractCegarLoop]: Abstraction has has 524 places, 523 transitions, 1150 flow [2021-11-20 06:45:27,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 466.0) internal successors, (4194), 9 states have internal predecessors, (4194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:27,988 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:27,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:28,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:28,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 06:45:28,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:28,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:28,216 INFO L85 PathProgramCache]: Analyzing trace with hash 110175470, now seen corresponding path program 1 times [2021-11-20 06:45:28,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:28,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734136736] [2021-11-20 06:45:28,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:28,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 06:45:28,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:28,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734136736] [2021-11-20 06:45:28,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734136736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:28,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:28,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:45:28,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875170043] [2021-11-20 06:45:28,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:28,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:45:28,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:28,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:45:28,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:45:28,477 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 574 [2021-11-20 06:45:28,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 523 transitions, 1150 flow. Second operand has 7 states, 7 states have (on average 455.57142857142856) internal successors, (3189), 7 states have internal predecessors, (3189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:28,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:28,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 574 [2021-11-20 06:45:28,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:28,874 INFO L129 PetriNetUnfolder]: 59/935 cut-off events. [2021-11-20 06:45:28,874 INFO L130 PetriNetUnfolder]: For 13/23 co-relation queries the response was YES. [2021-11-20 06:45:28,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 935 events. 59/935 cut-off events. For 13/23 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3481 event pairs, 14 based on Foata normal form. 1/891 useless extension candidates. Maximal degree in co-relation 1184. Up to 112 conditions per place. [2021-11-20 06:45:28,892 INFO L132 encePairwiseOnDemand]: 566/574 looper letters, 94 selfloop transitions, 5 changer transitions 4/543 dead transitions. [2021-11-20 06:45:28,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 543 transitions, 1409 flow [2021-11-20 06:45:28,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:45:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:45:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4100 transitions. [2021-11-20 06:45:28,906 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7936507936507936 [2021-11-20 06:45:28,906 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4100 transitions. [2021-11-20 06:45:28,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4100 transitions. [2021-11-20 06:45:28,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:28,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4100 transitions. [2021-11-20 06:45:28,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 455.55555555555554) internal successors, (4100), 9 states have internal predecessors, (4100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:28,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 574.0) internal successors, (5740), 10 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:28,933 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 574.0) internal successors, (5740), 10 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:28,934 INFO L186 Difference]: Start difference. First operand has 524 places, 523 transitions, 1150 flow. Second operand 9 states and 4100 transitions. [2021-11-20 06:45:28,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 543 transitions, 1409 flow [2021-11-20 06:45:28,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 543 transitions, 1378 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-11-20 06:45:28,949 INFO L242 Difference]: Finished difference. Result has 529 places, 527 transitions, 1160 flow [2021-11-20 06:45:28,950 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1160, PETRI_PLACES=529, PETRI_TRANSITIONS=527} [2021-11-20 06:45:28,951 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 6 predicate places. [2021-11-20 06:45:28,951 INFO L470 AbstractCegarLoop]: Abstraction has has 529 places, 527 transitions, 1160 flow [2021-11-20 06:45:28,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 455.57142857142856) internal successors, (3189), 7 states have internal predecessors, (3189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:28,953 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:28,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:28,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:45:28,954 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:28,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:28,954 INFO L85 PathProgramCache]: Analyzing trace with hash 317263892, now seen corresponding path program 1 times [2021-11-20 06:45:28,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:28,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24147591] [2021-11-20 06:45:28,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:28,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 06:45:29,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:29,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24147591] [2021-11-20 06:45:29,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24147591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:29,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:29,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:45:29,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039895994] [2021-11-20 06:45:29,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:29,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:45:29,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:29,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:45:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:45:29,180 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 574 [2021-11-20 06:45:29,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 527 transitions, 1160 flow. Second operand has 8 states, 8 states have (on average 426.875) internal successors, (3415), 8 states have internal predecessors, (3415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:29,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:29,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 574 [2021-11-20 06:45:29,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:29,775 INFO L129 PetriNetUnfolder]: 147/1654 cut-off events. [2021-11-20 06:45:29,775 INFO L130 PetriNetUnfolder]: For 53/63 co-relation queries the response was YES. [2021-11-20 06:45:29,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2063 conditions, 1654 events. 147/1654 cut-off events. For 53/63 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9588 event pairs, 66 based on Foata normal form. 0/1518 useless extension candidates. Maximal degree in co-relation 2045. Up to 174 conditions per place. [2021-11-20 06:45:29,803 INFO L132 encePairwiseOnDemand]: 564/574 looper letters, 110 selfloop transitions, 9 changer transitions 0/531 dead transitions. [2021-11-20 06:45:29,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 531 transitions, 1406 flow [2021-11-20 06:45:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:45:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-20 06:45:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 3430 transitions. [2021-11-20 06:45:29,816 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7469512195121951 [2021-11-20 06:45:29,817 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 3430 transitions. [2021-11-20 06:45:29,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 3430 transitions. [2021-11-20 06:45:29,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:29,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 3430 transitions. [2021-11-20 06:45:29,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 428.75) internal successors, (3430), 8 states have internal predecessors, (3430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:29,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 574.0) internal successors, (5166), 9 states have internal predecessors, (5166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:29,843 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 574.0) internal successors, (5166), 9 states have internal predecessors, (5166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:29,843 INFO L186 Difference]: Start difference. First operand has 529 places, 527 transitions, 1160 flow. Second operand 8 states and 3430 transitions. [2021-11-20 06:45:29,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 531 transitions, 1406 flow [2021-11-20 06:45:29,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 531 transitions, 1401 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-11-20 06:45:29,861 INFO L242 Difference]: Finished difference. Result has 532 places, 528 transitions, 1181 flow [2021-11-20 06:45:29,863 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1155, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1181, PETRI_PLACES=532, PETRI_TRANSITIONS=528} [2021-11-20 06:45:29,863 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 9 predicate places. [2021-11-20 06:45:29,864 INFO L470 AbstractCegarLoop]: Abstraction has has 532 places, 528 transitions, 1181 flow [2021-11-20 06:45:29,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 426.875) internal successors, (3415), 8 states have internal predecessors, (3415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:29,865 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:29,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:29,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:45:29,866 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:29,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:29,867 INFO L85 PathProgramCache]: Analyzing trace with hash -419716568, now seen corresponding path program 1 times [2021-11-20 06:45:29,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:29,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702172784] [2021-11-20 06:45:29,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:29,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 06:45:30,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:30,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702172784] [2021-11-20 06:45:30,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702172784] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:30,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763389164] [2021-11-20 06:45:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:30,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:30,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:30,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:30,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:45:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:30,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:45:30,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 06:45:31,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:45:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 06:45:32,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763389164] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:32,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:45:32,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2021-11-20 06:45:32,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681525289] [2021-11-20 06:45:32,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:32,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:45:32,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:45:32,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:45:32,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 574 [2021-11-20 06:45:32,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 528 transitions, 1181 flow. Second operand has 9 states, 9 states have (on average 466.8888888888889) internal successors, (4202), 9 states have internal predecessors, (4202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:32,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:32,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 574 [2021-11-20 06:45:32,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:32,660 INFO L129 PetriNetUnfolder]: 147/1655 cut-off events. [2021-11-20 06:45:32,660 INFO L130 PetriNetUnfolder]: For 64/74 co-relation queries the response was YES. [2021-11-20 06:45:32,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1655 events. 147/1655 cut-off events. For 64/74 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9670 event pairs, 66 based on Foata normal form. 0/1520 useless extension candidates. Maximal degree in co-relation 2030. Up to 134 conditions per place. [2021-11-20 06:45:32,690 INFO L132 encePairwiseOnDemand]: 554/574 looper letters, 71 selfloop transitions, 20 changer transitions 0/530 dead transitions. [2021-11-20 06:45:32,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 530 transitions, 1367 flow [2021-11-20 06:45:32,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:45:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-20 06:45:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5596 transitions. [2021-11-20 06:45:32,707 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8124274099883856 [2021-11-20 06:45:32,708 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5596 transitions. [2021-11-20 06:45:32,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5596 transitions. [2021-11-20 06:45:32,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:32,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5596 transitions. [2021-11-20 06:45:32,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 466.3333333333333) internal successors, (5596), 12 states have internal predecessors, (5596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:32,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 574.0) internal successors, (7462), 13 states have internal predecessors, (7462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:32,745 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 574.0) internal successors, (7462), 13 states have internal predecessors, (7462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:32,745 INFO L186 Difference]: Start difference. First operand has 532 places, 528 transitions, 1181 flow. Second operand 12 states and 5596 transitions. [2021-11-20 06:45:32,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 530 transitions, 1367 flow [2021-11-20 06:45:32,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 530 transitions, 1351 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-20 06:45:32,760 INFO L242 Difference]: Finished difference. Result has 540 places, 530 transitions, 1224 flow [2021-11-20 06:45:32,761 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1165, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1224, PETRI_PLACES=540, PETRI_TRANSITIONS=530} [2021-11-20 06:45:32,762 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 17 predicate places. [2021-11-20 06:45:32,762 INFO L470 AbstractCegarLoop]: Abstraction has has 540 places, 530 transitions, 1224 flow [2021-11-20 06:45:32,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 466.8888888888889) internal successors, (4202), 9 states have internal predecessors, (4202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:32,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:32,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:32,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:32,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-20 06:45:32,979 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:32,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:32,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1710764492, now seen corresponding path program 1 times [2021-11-20 06:45:32,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:32,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034591500] [2021-11-20 06:45:32,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:32,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:45:33,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:33,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034591500] [2021-11-20 06:45:33,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034591500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:33,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:33,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 06:45:33,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372209255] [2021-11-20 06:45:33,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:33,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:45:33,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:33,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:45:33,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:45:33,395 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:33,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 530 transitions, 1224 flow. Second operand has 11 states, 11 states have (on average 443.09090909090907) internal successors, (4874), 11 states have internal predecessors, (4874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:33,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:33,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:33,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:34,536 INFO L129 PetriNetUnfolder]: 512/2403 cut-off events. [2021-11-20 06:45:34,536 INFO L130 PetriNetUnfolder]: For 146/146 co-relation queries the response was YES. [2021-11-20 06:45:34,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3785 conditions, 2403 events. 512/2403 cut-off events. For 146/146 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18457 event pairs, 182 based on Foata normal form. 1/2161 useless extension candidates. Maximal degree in co-relation 3765. Up to 331 conditions per place. [2021-11-20 06:45:34,586 INFO L132 encePairwiseOnDemand]: 552/574 looper letters, 125 selfloop transitions, 24 changer transitions 4/587 dead transitions. [2021-11-20 06:45:34,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 587 transitions, 1679 flow [2021-11-20 06:45:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:45:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-20 06:45:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 8419 transitions. [2021-11-20 06:45:34,612 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.77196038877682 [2021-11-20 06:45:34,612 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 8419 transitions. [2021-11-20 06:45:34,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 8419 transitions. [2021-11-20 06:45:34,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:34,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 8419 transitions. [2021-11-20 06:45:34,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 443.10526315789474) internal successors, (8419), 19 states have internal predecessors, (8419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:34,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 574.0) internal successors, (11480), 20 states have internal predecessors, (11480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:34,664 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 574.0) internal successors, (11480), 20 states have internal predecessors, (11480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:34,664 INFO L186 Difference]: Start difference. First operand has 540 places, 530 transitions, 1224 flow. Second operand 19 states and 8419 transitions. [2021-11-20 06:45:34,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 587 transitions, 1679 flow [2021-11-20 06:45:34,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 587 transitions, 1645 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-11-20 06:45:34,681 INFO L242 Difference]: Finished difference. Result has 557 places, 536 transitions, 1286 flow [2021-11-20 06:45:34,683 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1190, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1286, PETRI_PLACES=557, PETRI_TRANSITIONS=536} [2021-11-20 06:45:34,685 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 34 predicate places. [2021-11-20 06:45:34,685 INFO L470 AbstractCegarLoop]: Abstraction has has 557 places, 536 transitions, 1286 flow [2021-11-20 06:45:34,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 443.09090909090907) internal successors, (4874), 11 states have internal predecessors, (4874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:34,687 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:34,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:34,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:45:34,688 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:34,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:34,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1864485148, now seen corresponding path program 1 times [2021-11-20 06:45:34,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:34,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833818666] [2021-11-20 06:45:34,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:34,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:45:34,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:34,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833818666] [2021-11-20 06:45:34,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833818666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:34,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:34,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:45:34,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480920466] [2021-11-20 06:45:34,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:34,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:45:34,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:34,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:45:34,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:45:34,967 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 574 [2021-11-20 06:45:34,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 536 transitions, 1286 flow. Second operand has 8 states, 8 states have (on average 427.375) internal successors, (3419), 8 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:34,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:34,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 574 [2021-11-20 06:45:34,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:35,462 INFO L129 PetriNetUnfolder]: 105/1497 cut-off events. [2021-11-20 06:45:35,463 INFO L130 PetriNetUnfolder]: For 88/88 co-relation queries the response was YES. [2021-11-20 06:45:35,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2030 conditions, 1497 events. 105/1497 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8462 event pairs, 45 based on Foata normal form. 0/1403 useless extension candidates. Maximal degree in co-relation 2002. Up to 185 conditions per place. [2021-11-20 06:45:35,496 INFO L132 encePairwiseOnDemand]: 562/574 looper letters, 110 selfloop transitions, 11 changer transitions 0/540 dead transitions. [2021-11-20 06:45:35,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 540 transitions, 1536 flow [2021-11-20 06:45:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:45:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:45:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3844 transitions. [2021-11-20 06:45:35,508 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7440960123886953 [2021-11-20 06:45:35,508 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3844 transitions. [2021-11-20 06:45:35,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3844 transitions. [2021-11-20 06:45:35,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:35,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3844 transitions. [2021-11-20 06:45:35,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 427.1111111111111) internal successors, (3844), 9 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:35,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 574.0) internal successors, (5740), 10 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:35,527 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 574.0) internal successors, (5740), 10 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:35,528 INFO L186 Difference]: Start difference. First operand has 557 places, 536 transitions, 1286 flow. Second operand 9 states and 3844 transitions. [2021-11-20 06:45:35,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 540 transitions, 1536 flow [2021-11-20 06:45:35,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 540 transitions, 1495 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-11-20 06:45:35,542 INFO L242 Difference]: Finished difference. Result has 553 places, 537 transitions, 1275 flow [2021-11-20 06:45:35,544 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1245, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1275, PETRI_PLACES=553, PETRI_TRANSITIONS=537} [2021-11-20 06:45:35,544 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 30 predicate places. [2021-11-20 06:45:35,545 INFO L470 AbstractCegarLoop]: Abstraction has has 553 places, 537 transitions, 1275 flow [2021-11-20 06:45:35,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 427.375) internal successors, (3419), 8 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:35,546 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:35,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:35,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:45:35,547 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:35,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:35,548 INFO L85 PathProgramCache]: Analyzing trace with hash -238056900, now seen corresponding path program 1 times [2021-11-20 06:45:35,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:35,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975633169] [2021-11-20 06:45:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:35,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:45:35,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:35,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975633169] [2021-11-20 06:45:35,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975633169] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:35,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523075] [2021-11-20 06:45:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:35,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:35,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:35,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:35,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:45:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:35,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:45:35,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:45:36,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:45:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:45:37,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523075] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:37,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:45:37,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2021-11-20 06:45:37,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400597163] [2021-11-20 06:45:37,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:37,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:45:37,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:37,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:45:37,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:45:37,482 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 574 [2021-11-20 06:45:37,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 537 transitions, 1275 flow. Second operand has 9 states, 9 states have (on average 467.77777777777777) internal successors, (4210), 9 states have internal predecessors, (4210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:37,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:37,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 574 [2021-11-20 06:45:37,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:38,051 INFO L129 PetriNetUnfolder]: 105/1498 cut-off events. [2021-11-20 06:45:38,051 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2021-11-20 06:45:38,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1982 conditions, 1498 events. 105/1498 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8450 event pairs, 45 based on Foata normal form. 0/1405 useless extension candidates. Maximal degree in co-relation 1956. Up to 156 conditions per place. [2021-11-20 06:45:38,081 INFO L132 encePairwiseOnDemand]: 556/574 looper letters, 75 selfloop transitions, 19 changer transitions 0/539 dead transitions. [2021-11-20 06:45:38,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 539 transitions, 1467 flow [2021-11-20 06:45:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:45:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 06:45:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5137 transitions. [2021-11-20 06:45:38,098 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.813588850174216 [2021-11-20 06:45:38,098 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 5137 transitions. [2021-11-20 06:45:38,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 5137 transitions. [2021-11-20 06:45:38,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:38,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 5137 transitions. [2021-11-20 06:45:38,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 467.0) internal successors, (5137), 11 states have internal predecessors, (5137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:38,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 574.0) internal successors, (6888), 12 states have internal predecessors, (6888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:38,124 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 574.0) internal successors, (6888), 12 states have internal predecessors, (6888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:38,124 INFO L186 Difference]: Start difference. First operand has 553 places, 537 transitions, 1275 flow. Second operand 11 states and 5137 transitions. [2021-11-20 06:45:38,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 539 transitions, 1467 flow [2021-11-20 06:45:38,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 539 transitions, 1447 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-20 06:45:38,139 INFO L242 Difference]: Finished difference. Result has 559 places, 539 transitions, 1313 flow [2021-11-20 06:45:38,140 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1255, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1313, PETRI_PLACES=559, PETRI_TRANSITIONS=539} [2021-11-20 06:45:38,142 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 36 predicate places. [2021-11-20 06:45:38,142 INFO L470 AbstractCegarLoop]: Abstraction has has 559 places, 539 transitions, 1313 flow [2021-11-20 06:45:38,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 467.77777777777777) internal successors, (4210), 9 states have internal predecessors, (4210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:38,144 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:38,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:38,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_240a490f-948a-4d14-93f8-c2a6266b0b8a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 06:45:38,363 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:38,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2001852826, now seen corresponding path program 1 times [2021-11-20 06:45:38,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:38,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940676985] [2021-11-20 06:45:38,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:38,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:38,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:38,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940676985] [2021-11-20 06:45:38,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940676985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:38,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:38,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:38,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524642827] [2021-11-20 06:45:38,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:38,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:38,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:38,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:38,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:38,705 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:38,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 539 transitions, 1313 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:38,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:38,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:38,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:40,191 INFO L129 PetriNetUnfolder]: 893/3352 cut-off events. [2021-11-20 06:45:40,191 INFO L130 PetriNetUnfolder]: For 462/495 co-relation queries the response was YES. [2021-11-20 06:45:40,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5120 conditions, 3352 events. 893/3352 cut-off events. For 462/495 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 29441 event pairs, 416 based on Foata normal form. 8/3052 useless extension candidates. Maximal degree in co-relation 5091. Up to 813 conditions per place. [2021-11-20 06:45:40,242 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 139 selfloop transitions, 30 changer transitions 24/640 dead transitions. [2021-11-20 06:45:40,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 640 transitions, 1936 flow [2021-11-20 06:45:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-20 06:45:40,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-11-20 06:45:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 10634 transitions. [2021-11-20 06:45:40,264 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7719221835075494 [2021-11-20 06:45:40,265 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 10634 transitions. [2021-11-20 06:45:40,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 10634 transitions. [2021-11-20 06:45:40,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:40,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 10634 transitions. [2021-11-20 06:45:40,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 443.0833333333333) internal successors, (10634), 24 states have internal predecessors, (10634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:40,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 574.0) internal successors, (14350), 25 states have internal predecessors, (14350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:40,311 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 574.0) internal successors, (14350), 25 states have internal predecessors, (14350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:40,311 INFO L186 Difference]: Start difference. First operand has 559 places, 539 transitions, 1313 flow. Second operand 24 states and 10634 transitions. [2021-11-20 06:45:40,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 640 transitions, 1936 flow [2021-11-20 06:45:40,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 640 transitions, 1905 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-11-20 06:45:40,328 INFO L242 Difference]: Finished difference. Result has 594 places, 568 transitions, 1498 flow [2021-11-20 06:45:40,329 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1282, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1498, PETRI_PLACES=594, PETRI_TRANSITIONS=568} [2021-11-20 06:45:40,330 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 71 predicate places. [2021-11-20 06:45:40,330 INFO L470 AbstractCegarLoop]: Abstraction has has 594 places, 568 transitions, 1498 flow [2021-11-20 06:45:40,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:40,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:40,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:40,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:45:40,332 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:40,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:40,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1902976768, now seen corresponding path program 2 times [2021-11-20 06:45:40,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:40,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743013305] [2021-11-20 06:45:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:40,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:40,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:40,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743013305] [2021-11-20 06:45:40,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743013305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:40,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:40,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:40,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581905760] [2021-11-20 06:45:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:40,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:40,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:40,638 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:40,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 568 transitions, 1498 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:40,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:40,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:40,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:42,772 INFO L129 PetriNetUnfolder]: 1411/4946 cut-off events. [2021-11-20 06:45:42,772 INFO L130 PetriNetUnfolder]: For 4732/4795 co-relation queries the response was YES. [2021-11-20 06:45:42,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10599 conditions, 4946 events. 1411/4946 cut-off events. For 4732/4795 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 50065 event pairs, 699 based on Foata normal form. 1/4443 useless extension candidates. Maximal degree in co-relation 10550. Up to 1260 conditions per place. [2021-11-20 06:45:43,006 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 172 selfloop transitions, 45 changer transitions 22/686 dead transitions. [2021-11-20 06:45:43,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 686 transitions, 2521 flow [2021-11-20 06:45:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-20 06:45:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-11-20 06:45:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 10631 transitions. [2021-11-20 06:45:43,028 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7717044134727061 [2021-11-20 06:45:43,029 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 10631 transitions. [2021-11-20 06:45:43,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 10631 transitions. [2021-11-20 06:45:43,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:43,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 10631 transitions. [2021-11-20 06:45:43,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 442.9583333333333) internal successors, (10631), 24 states have internal predecessors, (10631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 574.0) internal successors, (14350), 25 states have internal predecessors, (14350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,083 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 574.0) internal successors, (14350), 25 states have internal predecessors, (14350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,084 INFO L186 Difference]: Start difference. First operand has 594 places, 568 transitions, 1498 flow. Second operand 24 states and 10631 transitions. [2021-11-20 06:45:43,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 686 transitions, 2521 flow [2021-11-20 06:45:43,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 686 transitions, 2511 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:43,165 INFO L242 Difference]: Finished difference. Result has 633 places, 597 transitions, 1908 flow [2021-11-20 06:45:43,166 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1494, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1908, PETRI_PLACES=633, PETRI_TRANSITIONS=597} [2021-11-20 06:45:43,167 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 110 predicate places. [2021-11-20 06:45:43,167 INFO L470 AbstractCegarLoop]: Abstraction has has 633 places, 597 transitions, 1908 flow [2021-11-20 06:45:43,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,168 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:43,169 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:43,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:45:43,169 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:43,170 INFO L85 PathProgramCache]: Analyzing trace with hash 561976974, now seen corresponding path program 3 times [2021-11-20 06:45:43,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:43,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445203392] [2021-11-20 06:45:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:43,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:43,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:43,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445203392] [2021-11-20 06:45:43,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445203392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:43,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:43,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:43,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901791738] [2021-11-20 06:45:43,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:43,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:43,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:43,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:43,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:43,491 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:43,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 597 transitions, 1908 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:43,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:43,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:45,783 INFO L129 PetriNetUnfolder]: 1569/5708 cut-off events. [2021-11-20 06:45:45,783 INFO L130 PetriNetUnfolder]: For 13519/13552 co-relation queries the response was YES. [2021-11-20 06:45:45,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14601 conditions, 5708 events. 1569/5708 cut-off events. For 13519/13552 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 60874 event pairs, 834 based on Foata normal form. 2/5127 useless extension candidates. Maximal degree in co-relation 14533. Up to 1600 conditions per place. [2021-11-20 06:45:45,907 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 161 selfloop transitions, 56 changer transitions 20/684 dead transitions. [2021-11-20 06:45:45,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 684 transitions, 3111 flow [2021-11-20 06:45:45,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 06:45:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-11-20 06:45:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 9747 transitions. [2021-11-20 06:45:45,920 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7718561925879 [2021-11-20 06:45:45,921 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 9747 transitions. [2021-11-20 06:45:45,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 9747 transitions. [2021-11-20 06:45:45,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:45,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 9747 transitions. [2021-11-20 06:45:45,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 443.04545454545456) internal successors, (9747), 22 states have internal predecessors, (9747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:45,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 574.0) internal successors, (13202), 23 states have internal predecessors, (13202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:45,956 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 574.0) internal successors, (13202), 23 states have internal predecessors, (13202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:45,956 INFO L186 Difference]: Start difference. First operand has 633 places, 597 transitions, 1908 flow. Second operand 22 states and 9747 transitions. [2021-11-20 06:45:45,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 684 transitions, 3111 flow [2021-11-20 06:45:46,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 684 transitions, 2973 flow, removed 69 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:46,090 INFO L242 Difference]: Finished difference. Result has 664 places, 627 transitions, 2381 flow [2021-11-20 06:45:46,104 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1820, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2381, PETRI_PLACES=664, PETRI_TRANSITIONS=627} [2021-11-20 06:45:46,105 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 141 predicate places. [2021-11-20 06:45:46,105 INFO L470 AbstractCegarLoop]: Abstraction has has 664 places, 627 transitions, 2381 flow [2021-11-20 06:45:46,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:46,106 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:46,107 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:46,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 06:45:46,107 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:46,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 65846464, now seen corresponding path program 4 times [2021-11-20 06:45:46,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:46,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704315419] [2021-11-20 06:45:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:46,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:46,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:46,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704315419] [2021-11-20 06:45:46,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704315419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:46,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:46,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:46,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624266933] [2021-11-20 06:45:46,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:46,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:46,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:46,537 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:46,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 627 transitions, 2381 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:46,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:46,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:46,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:49,188 INFO L129 PetriNetUnfolder]: 1786/6190 cut-off events. [2021-11-20 06:45:49,188 INFO L130 PetriNetUnfolder]: For 24005/24110 co-relation queries the response was YES. [2021-11-20 06:45:49,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17593 conditions, 6190 events. 1786/6190 cut-off events. For 24005/24110 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 67798 event pairs, 895 based on Foata normal form. 1/5545 useless extension candidates. Maximal degree in co-relation 17512. Up to 1603 conditions per place. [2021-11-20 06:45:49,301 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 179 selfloop transitions, 61 changer transitions 18/705 dead transitions. [2021-11-20 06:45:49,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 705 transitions, 3736 flow [2021-11-20 06:45:49,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:45:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:45:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 8871 transitions. [2021-11-20 06:45:49,313 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7727351916376307 [2021-11-20 06:45:49,313 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 8871 transitions. [2021-11-20 06:45:49,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 8871 transitions. [2021-11-20 06:45:49,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:49,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 8871 transitions. [2021-11-20 06:45:49,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 443.55) internal successors, (8871), 20 states have internal predecessors, (8871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:49,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 574.0) internal successors, (12054), 21 states have internal predecessors, (12054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:49,344 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 574.0) internal successors, (12054), 21 states have internal predecessors, (12054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:49,345 INFO L186 Difference]: Start difference. First operand has 664 places, 627 transitions, 2381 flow. Second operand 20 states and 8871 transitions. [2021-11-20 06:45:49,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 705 transitions, 3736 flow [2021-11-20 06:45:49,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 705 transitions, 3514 flow, removed 111 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:49,492 INFO L242 Difference]: Finished difference. Result has 694 places, 659 transitions, 2899 flow [2021-11-20 06:45:49,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=2199, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2899, PETRI_PLACES=694, PETRI_TRANSITIONS=659} [2021-11-20 06:45:49,494 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 171 predicate places. [2021-11-20 06:45:49,494 INFO L470 AbstractCegarLoop]: Abstraction has has 694 places, 659 transitions, 2899 flow [2021-11-20 06:45:49,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:49,495 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:49,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:49,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 06:45:49,496 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:49,497 INFO L85 PathProgramCache]: Analyzing trace with hash -130621686, now seen corresponding path program 5 times [2021-11-20 06:45:49,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:49,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443595187] [2021-11-20 06:45:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:49,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:49,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:49,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443595187] [2021-11-20 06:45:49,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443595187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:49,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:49,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:49,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72255319] [2021-11-20 06:45:49,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:49,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:49,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:49,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:49,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:49,747 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:49,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 659 transitions, 2899 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:49,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:49,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:49,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:52,801 INFO L129 PetriNetUnfolder]: 1844/6802 cut-off events. [2021-11-20 06:45:52,801 INFO L130 PetriNetUnfolder]: For 36690/36771 co-relation queries the response was YES. [2021-11-20 06:45:52,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20182 conditions, 6802 events. 1844/6802 cut-off events. For 36690/36771 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 77306 event pairs, 1043 based on Foata normal form. 25/6139 useless extension candidates. Maximal degree in co-relation 20087. Up to 1861 conditions per place. [2021-11-20 06:45:53,003 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 198 selfloop transitions, 78 changer transitions 15/738 dead transitions. [2021-11-20 06:45:53,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 711 places, 738 transitions, 4413 flow [2021-11-20 06:45:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:45:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:45:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 8867 transitions. [2021-11-20 06:45:53,017 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7723867595818815 [2021-11-20 06:45:53,018 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 8867 transitions. [2021-11-20 06:45:53,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 8867 transitions. [2021-11-20 06:45:53,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:53,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 8867 transitions. [2021-11-20 06:45:53,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 443.35) internal successors, (8867), 20 states have internal predecessors, (8867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:53,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 574.0) internal successors, (12054), 21 states have internal predecessors, (12054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:53,051 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 574.0) internal successors, (12054), 21 states have internal predecessors, (12054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:53,051 INFO L186 Difference]: Start difference. First operand has 694 places, 659 transitions, 2899 flow. Second operand 20 states and 8867 transitions. [2021-11-20 06:45:53,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 711 places, 738 transitions, 4413 flow [2021-11-20 06:45:53,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 738 transitions, 4057 flow, removed 178 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:53,329 INFO L242 Difference]: Finished difference. Result has 724 places, 690 transitions, 3436 flow [2021-11-20 06:45:53,330 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=2673, PETRI_DIFFERENCE_MINUEND_PLACES=690, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3436, PETRI_PLACES=724, PETRI_TRANSITIONS=690} [2021-11-20 06:45:53,330 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 201 predicate places. [2021-11-20 06:45:53,331 INFO L470 AbstractCegarLoop]: Abstraction has has 724 places, 690 transitions, 3436 flow [2021-11-20 06:45:53,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:53,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:53,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:53,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 06:45:53,332 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:53,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:53,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1726863106, now seen corresponding path program 6 times [2021-11-20 06:45:53,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:53,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512613860] [2021-11-20 06:45:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:53,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:53,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:53,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512613860] [2021-11-20 06:45:53,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512613860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:53,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:53,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:53,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154040988] [2021-11-20 06:45:53,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:53,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:53,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:53,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:53,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:53,603 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:53,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 690 transitions, 3436 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:53,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:53,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:53,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:45:56,862 INFO L129 PetriNetUnfolder]: 1889/7069 cut-off events. [2021-11-20 06:45:56,862 INFO L130 PetriNetUnfolder]: For 41056/41161 co-relation queries the response was YES. [2021-11-20 06:45:56,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21381 conditions, 7069 events. 1889/7069 cut-off events. For 41056/41161 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 81408 event pairs, 956 based on Foata normal form. 26/6387 useless extension candidates. Maximal degree in co-relation 21272. Up to 1881 conditions per place. [2021-11-20 06:45:57,013 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 200 selfloop transitions, 96 changer transitions 13/756 dead transitions. [2021-11-20 06:45:57,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 756 transitions, 4858 flow [2021-11-20 06:45:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:45:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:45:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 7991 transitions. [2021-11-20 06:45:57,023 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7734223770809137 [2021-11-20 06:45:57,024 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 7991 transitions. [2021-11-20 06:45:57,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 7991 transitions. [2021-11-20 06:45:57,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:57,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 7991 transitions. [2021-11-20 06:45:57,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 443.94444444444446) internal successors, (7991), 18 states have internal predecessors, (7991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:57,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 574.0) internal successors, (10906), 19 states have internal predecessors, (10906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:57,052 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 574.0) internal successors, (10906), 19 states have internal predecessors, (10906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:57,052 INFO L186 Difference]: Start difference. First operand has 724 places, 690 transitions, 3436 flow. Second operand 18 states and 7991 transitions. [2021-11-20 06:45:57,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 756 transitions, 4858 flow [2021-11-20 06:45:57,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 737 places, 756 transitions, 4462 flow, removed 198 selfloop flow, removed 2 redundant places. [2021-11-20 06:45:57,389 INFO L242 Difference]: Finished difference. Result has 745 places, 711 transitions, 3811 flow [2021-11-20 06:45:57,390 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=3234, PETRI_DIFFERENCE_MINUEND_PLACES=720, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=608, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3811, PETRI_PLACES=745, PETRI_TRANSITIONS=711} [2021-11-20 06:45:57,390 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 222 predicate places. [2021-11-20 06:45:57,390 INFO L470 AbstractCegarLoop]: Abstraction has has 745 places, 711 transitions, 3811 flow [2021-11-20 06:45:57,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:57,391 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:45:57,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:57,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:45:57,392 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:45:57,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:57,393 INFO L85 PathProgramCache]: Analyzing trace with hash 861245692, now seen corresponding path program 7 times [2021-11-20 06:45:57,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:57,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635684820] [2021-11-20 06:45:57,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:57,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:45:57,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:57,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635684820] [2021-11-20 06:45:57,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635684820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:57,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:57,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:45:57,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660356647] [2021-11-20 06:45:57,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:57,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:45:57,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:57,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:45:57,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:45:57,646 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:45:57,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 711 transitions, 3811 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:57,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:45:57,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:45:57,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:46:01,195 INFO L129 PetriNetUnfolder]: 1988/7515 cut-off events. [2021-11-20 06:46:01,196 INFO L130 PetriNetUnfolder]: For 34632/34765 co-relation queries the response was YES. [2021-11-20 06:46:01,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22286 conditions, 7515 events. 1988/7515 cut-off events. For 34632/34765 co-relation queries the response was YES. Maximal size of possible extension queue 849. Compared 87631 event pairs, 1083 based on Foata normal form. 49/6820 useless extension candidates. Maximal degree in co-relation 22170. Up to 1952 conditions per place. [2021-11-20 06:46:01,385 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 210 selfloop transitions, 100 changer transitions 12/769 dead transitions. [2021-11-20 06:46:01,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 759 places, 769 transitions, 5111 flow [2021-11-20 06:46:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:46:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-20 06:46:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 7554 transitions. [2021-11-20 06:46:01,393 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.774134043861447 [2021-11-20 06:46:01,394 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 7554 transitions. [2021-11-20 06:46:01,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 7554 transitions. [2021-11-20 06:46:01,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:01,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 7554 transitions. [2021-11-20 06:46:01,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 444.3529411764706) internal successors, (7554), 17 states have internal predecessors, (7554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:01,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 574.0) internal successors, (10332), 18 states have internal predecessors, (10332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:01,420 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 574.0) internal successors, (10332), 18 states have internal predecessors, (10332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:01,420 INFO L186 Difference]: Start difference. First operand has 745 places, 711 transitions, 3811 flow. Second operand 17 states and 7554 transitions. [2021-11-20 06:46:01,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 759 places, 769 transitions, 5111 flow [2021-11-20 06:46:01,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 757 places, 769 transitions, 4969 flow, removed 71 selfloop flow, removed 2 redundant places. [2021-11-20 06:46:01,743 INFO L242 Difference]: Finished difference. Result has 766 places, 732 transitions, 4330 flow [2021-11-20 06:46:01,744 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=3703, PETRI_DIFFERENCE_MINUEND_PLACES=741, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4330, PETRI_PLACES=766, PETRI_TRANSITIONS=732} [2021-11-20 06:46:01,745 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 243 predicate places. [2021-11-20 06:46:01,745 INFO L470 AbstractCegarLoop]: Abstraction has has 766 places, 732 transitions, 4330 flow [2021-11-20 06:46:01,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:01,746 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:46:01,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:01,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 06:46:01,747 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:46:01,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:01,748 INFO L85 PathProgramCache]: Analyzing trace with hash 458522416, now seen corresponding path program 8 times [2021-11-20 06:46:01,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:01,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70458895] [2021-11-20 06:46:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:01,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:46:01,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:01,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70458895] [2021-11-20 06:46:01,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70458895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:01,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:01,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:46:01,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145822841] [2021-11-20 06:46:01,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:01,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:46:01,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:01,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:46:01,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:01,981 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:46:01,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 732 transitions, 4330 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:01,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:46:01,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:46:01,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:46:05,502 INFO L129 PetriNetUnfolder]: 1996/7404 cut-off events. [2021-11-20 06:46:05,503 INFO L130 PetriNetUnfolder]: For 35455/35648 co-relation queries the response was YES. [2021-11-20 06:46:05,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22988 conditions, 7404 events. 1996/7404 cut-off events. For 35455/35648 co-relation queries the response was YES. Maximal size of possible extension queue 859. Compared 86115 event pairs, 942 based on Foata normal form. 82/6727 useless extension candidates. Maximal degree in co-relation 22864. Up to 2002 conditions per place. [2021-11-20 06:46:05,723 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 211 selfloop transitions, 107 changer transitions 15/780 dead transitions. [2021-11-20 06:46:05,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 780 transitions, 5417 flow [2021-11-20 06:46:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:46:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-20 06:46:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 7114 transitions. [2021-11-20 06:46:05,731 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7746080139372822 [2021-11-20 06:46:05,731 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 7114 transitions. [2021-11-20 06:46:05,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 7114 transitions. [2021-11-20 06:46:05,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:05,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 7114 transitions. [2021-11-20 06:46:05,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 444.625) internal successors, (7114), 16 states have internal predecessors, (7114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:05,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 574.0) internal successors, (9758), 17 states have internal predecessors, (9758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:05,760 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 574.0) internal successors, (9758), 17 states have internal predecessors, (9758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:05,760 INFO L186 Difference]: Start difference. First operand has 766 places, 732 transitions, 4330 flow. Second operand 16 states and 7114 transitions. [2021-11-20 06:46:05,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 780 transitions, 5417 flow [2021-11-20 06:46:06,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 780 transitions, 5297 flow, removed 60 selfloop flow, removed 2 redundant places. [2021-11-20 06:46:06,075 INFO L242 Difference]: Finished difference. Result has 784 places, 740 transitions, 4618 flow [2021-11-20 06:46:06,077 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=4214, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4618, PETRI_PLACES=784, PETRI_TRANSITIONS=740} [2021-11-20 06:46:06,077 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 261 predicate places. [2021-11-20 06:46:06,078 INFO L470 AbstractCegarLoop]: Abstraction has has 784 places, 740 transitions, 4618 flow [2021-11-20 06:46:06,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:06,079 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:46:06,079 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:06,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 06:46:06,080 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:46:06,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:06,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1643083630, now seen corresponding path program 9 times [2021-11-20 06:46:06,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:06,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063990650] [2021-11-20 06:46:06,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:06,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:46:06,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:06,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063990650] [2021-11-20 06:46:06,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063990650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:06,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:06,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:46:06,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221229436] [2021-11-20 06:46:06,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:06,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:46:06,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:06,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:46:06,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:06,371 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:46:06,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 784 places, 740 transitions, 4618 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:06,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:46:06,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:46:06,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:46:09,939 INFO L129 PetriNetUnfolder]: 2061/7988 cut-off events. [2021-11-20 06:46:09,939 INFO L130 PetriNetUnfolder]: For 42796/42989 co-relation queries the response was YES. [2021-11-20 06:46:10,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24895 conditions, 7988 events. 2061/7988 cut-off events. For 42796/42989 co-relation queries the response was YES. Maximal size of possible extension queue 897. Compared 95015 event pairs, 1076 based on Foata normal form. 73/7307 useless extension candidates. Maximal degree in co-relation 24765. Up to 1900 conditions per place. [2021-11-20 06:46:10,113 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 244 selfloop transitions, 98 changer transitions 19/808 dead transitions. [2021-11-20 06:46:10,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 802 places, 808 transitions, 6183 flow [2021-11-20 06:46:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 06:46:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-20 06:46:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9310 transitions. [2021-11-20 06:46:10,119 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7723577235772358 [2021-11-20 06:46:10,119 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 9310 transitions. [2021-11-20 06:46:10,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 9310 transitions. [2021-11-20 06:46:10,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:10,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 9310 transitions. [2021-11-20 06:46:10,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 443.3333333333333) internal successors, (9310), 21 states have internal predecessors, (9310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:10,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 574.0) internal successors, (12628), 22 states have internal predecessors, (12628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:10,147 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 574.0) internal successors, (12628), 22 states have internal predecessors, (12628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:10,148 INFO L186 Difference]: Start difference. First operand has 784 places, 740 transitions, 4618 flow. Second operand 21 states and 9310 transitions. [2021-11-20 06:46:10,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 802 places, 808 transitions, 6183 flow [2021-11-20 06:46:10,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 808 transitions, 6070 flow, removed 34 selfloop flow, removed 3 redundant places. [2021-11-20 06:46:10,523 INFO L242 Difference]: Finished difference. Result has 813 places, 764 transitions, 5335 flow [2021-11-20 06:46:10,525 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=4537, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5335, PETRI_PLACES=813, PETRI_TRANSITIONS=764} [2021-11-20 06:46:10,525 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 290 predicate places. [2021-11-20 06:46:10,526 INFO L470 AbstractCegarLoop]: Abstraction has has 813 places, 764 transitions, 5335 flow [2021-11-20 06:46:10,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:10,527 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:46:10,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:10,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 06:46:10,528 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:46:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:10,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1012188748, now seen corresponding path program 10 times [2021-11-20 06:46:10,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:10,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927221224] [2021-11-20 06:46:10,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:10,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:46:10,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:10,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927221224] [2021-11-20 06:46:10,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927221224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:10,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:10,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:46:10,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429551965] [2021-11-20 06:46:10,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:10,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:46:10,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:10,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:46:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:10,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:46:10,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 813 places, 764 transitions, 5335 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:10,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:46:10,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:46:10,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:46:14,761 INFO L129 PetriNetUnfolder]: 2096/8175 cut-off events. [2021-11-20 06:46:14,762 INFO L130 PetriNetUnfolder]: For 50048/50265 co-relation queries the response was YES. [2021-11-20 06:46:14,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26468 conditions, 8175 events. 2096/8175 cut-off events. For 50048/50265 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 97843 event pairs, 1102 based on Foata normal form. 85/7471 useless extension candidates. Maximal degree in co-relation 26326. Up to 2096 conditions per place. [2021-11-20 06:46:14,947 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 226 selfloop transitions, 120 changer transitions 16/809 dead transitions. [2021-11-20 06:46:14,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 809 transitions, 6575 flow [2021-11-20 06:46:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:46:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:46:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 7990 transitions. [2021-11-20 06:46:14,954 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7733255903987611 [2021-11-20 06:46:14,954 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 7990 transitions. [2021-11-20 06:46:14,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 7990 transitions. [2021-11-20 06:46:14,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:14,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 7990 transitions. [2021-11-20 06:46:14,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 443.8888888888889) internal successors, (7990), 18 states have internal predecessors, (7990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:14,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 574.0) internal successors, (10906), 19 states have internal predecessors, (10906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:14,974 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 574.0) internal successors, (10906), 19 states have internal predecessors, (10906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:14,975 INFO L186 Difference]: Start difference. First operand has 813 places, 764 transitions, 5335 flow. Second operand 18 states and 7990 transitions. [2021-11-20 06:46:14,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 809 transitions, 6575 flow [2021-11-20 06:46:15,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 809 transitions, 6341 flow, removed 117 selfloop flow, removed 2 redundant places. [2021-11-20 06:46:15,447 INFO L242 Difference]: Finished difference. Result has 834 places, 778 transitions, 5715 flow [2021-11-20 06:46:15,448 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=5147, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5715, PETRI_PLACES=834, PETRI_TRANSITIONS=778} [2021-11-20 06:46:15,448 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 311 predicate places. [2021-11-20 06:46:15,449 INFO L470 AbstractCegarLoop]: Abstraction has has 834 places, 778 transitions, 5715 flow [2021-11-20 06:46:15,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:15,449 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:46:15,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:15,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 06:46:15,450 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:46:15,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:15,450 INFO L85 PathProgramCache]: Analyzing trace with hash -628732670, now seen corresponding path program 11 times [2021-11-20 06:46:15,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:15,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215398212] [2021-11-20 06:46:15,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:15,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:46:15,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:15,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215398212] [2021-11-20 06:46:15,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215398212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:15,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:15,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:46:15,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530452775] [2021-11-20 06:46:15,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:15,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:46:15,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:15,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:46:15,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:15,719 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:46:15,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 834 places, 778 transitions, 5715 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:15,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:46:15,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:46:15,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:46:19,928 INFO L129 PetriNetUnfolder]: 2141/8472 cut-off events. [2021-11-20 06:46:19,929 INFO L130 PetriNetUnfolder]: For 51436/51625 co-relation queries the response was YES. [2021-11-20 06:46:20,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27513 conditions, 8472 events. 2141/8472 cut-off events. For 51436/51625 co-relation queries the response was YES. Maximal size of possible extension queue 948. Compared 102570 event pairs, 1115 based on Foata normal form. 49/7703 useless extension candidates. Maximal degree in co-relation 27364. Up to 2143 conditions per place. [2021-11-20 06:46:20,118 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 256 selfloop transitions, 113 changer transitions 11/827 dead transitions. [2021-11-20 06:46:20,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 848 places, 827 transitions, 7103 flow [2021-11-20 06:46:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:46:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-20 06:46:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 7554 transitions. [2021-11-20 06:46:20,124 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.774134043861447 [2021-11-20 06:46:20,124 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 7554 transitions. [2021-11-20 06:46:20,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 7554 transitions. [2021-11-20 06:46:20,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:20,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 7554 transitions. [2021-11-20 06:46:20,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 444.3529411764706) internal successors, (7554), 17 states have internal predecessors, (7554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 574.0) internal successors, (10332), 18 states have internal predecessors, (10332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,139 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 574.0) internal successors, (10332), 18 states have internal predecessors, (10332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,140 INFO L186 Difference]: Start difference. First operand has 834 places, 778 transitions, 5715 flow. Second operand 17 states and 7554 transitions. [2021-11-20 06:46:20,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 848 places, 827 transitions, 7103 flow [2021-11-20 06:46:20,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 844 places, 827 transitions, 6936 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-11-20 06:46:20,579 INFO L242 Difference]: Finished difference. Result has 852 places, 796 transitions, 6254 flow [2021-11-20 06:46:20,581 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=5560, PETRI_DIFFERENCE_MINUEND_PLACES=828, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6254, PETRI_PLACES=852, PETRI_TRANSITIONS=796} [2021-11-20 06:46:20,581 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 329 predicate places. [2021-11-20 06:46:20,581 INFO L470 AbstractCegarLoop]: Abstraction has has 852 places, 796 transitions, 6254 flow [2021-11-20 06:46:20,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,582 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:46:20,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:20,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 06:46:20,583 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:46:20,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:20,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1909380784, now seen corresponding path program 12 times [2021-11-20 06:46:20,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:20,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741630149] [2021-11-20 06:46:20,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:20,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:46:20,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:20,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741630149] [2021-11-20 06:46:20,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741630149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:20,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:20,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:46:20,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621097518] [2021-11-20 06:46:20,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:20,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:46:20,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:46:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:20,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:46:20,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 852 places, 796 transitions, 6254 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:46:20,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:46:20,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:46:24,616 INFO L129 PetriNetUnfolder]: 2140/8538 cut-off events. [2021-11-20 06:46:24,616 INFO L130 PetriNetUnfolder]: For 53346/53567 co-relation queries the response was YES. [2021-11-20 06:46:25,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27926 conditions, 8538 events. 2140/8538 cut-off events. For 53346/53567 co-relation queries the response was YES. Maximal size of possible extension queue 951. Compared 103517 event pairs, 1106 based on Foata normal form. 61/7794 useless extension candidates. Maximal degree in co-relation 27771. Up to 2125 conditions per place. [2021-11-20 06:46:25,152 INFO L132 encePairwiseOnDemand]: 561/574 looper letters, 254 selfloop transitions, 116 changer transitions 20/837 dead transitions. [2021-11-20 06:46:25,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 867 places, 837 transitions, 7444 flow [2021-11-20 06:46:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:46:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:46:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 7994 transitions. [2021-11-20 06:46:25,158 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7737127371273713 [2021-11-20 06:46:25,159 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 7994 transitions. [2021-11-20 06:46:25,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 7994 transitions. [2021-11-20 06:46:25,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:25,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 7994 transitions. [2021-11-20 06:46:25,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 444.1111111111111) internal successors, (7994), 18 states have internal predecessors, (7994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:25,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 574.0) internal successors, (10906), 19 states have internal predecessors, (10906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:25,176 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 574.0) internal successors, (10906), 19 states have internal predecessors, (10906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:25,176 INFO L186 Difference]: Start difference. First operand has 852 places, 796 transitions, 6254 flow. Second operand 18 states and 7994 transitions. [2021-11-20 06:46:25,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 867 places, 837 transitions, 7444 flow [2021-11-20 06:46:25,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 837 transitions, 7228 flow, removed 83 selfloop flow, removed 3 redundant places. [2021-11-20 06:46:25,624 INFO L242 Difference]: Finished difference. Result has 871 places, 805 transitions, 6544 flow [2021-11-20 06:46:25,625 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=6070, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6544, PETRI_PLACES=871, PETRI_TRANSITIONS=805} [2021-11-20 06:46:25,625 INFO L334 CegarLoopForPetriNet]: 523 programPoint places, 348 predicate places. [2021-11-20 06:46:25,625 INFO L470 AbstractCegarLoop]: Abstraction has has 871 places, 805 transitions, 6544 flow [2021-11-20 06:46:25,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:25,626 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:46:25,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:25,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 06:46:25,627 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 06:46:25,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:25,628 INFO L85 PathProgramCache]: Analyzing trace with hash 123664440, now seen corresponding path program 13 times [2021-11-20 06:46:25,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:25,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779088193] [2021-11-20 06:46:25,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:25,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:46:25,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:25,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779088193] [2021-11-20 06:46:25,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779088193] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:25,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:25,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:46:25,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829301246] [2021-11-20 06:46:25,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:25,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:46:25,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:25,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:46:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:46:25,899 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 574 [2021-11-20 06:46:25,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 871 places, 805 transitions, 6544 flow. Second operand has 10 states, 10 states have (on average 443.8) internal successors, (4438), 10 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:25,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:46:25,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 574 [2021-11-20 06:46:25,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand