/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:41:50,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:41:50,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:41:50,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:41:50,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:41:50,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:41:50,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:41:50,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:41:50,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:41:50,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:41:50,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:41:50,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:41:50,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:41:50,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:41:50,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:41:50,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:41:50,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:41:50,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:41:50,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:41:50,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:41:50,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:41:50,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:41:50,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:41:50,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:41:50,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 14:41:50,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 14:41:50,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 14:41:50,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 14:41:50,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 14:41:50,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 14:41:50,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:41:50,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:41:50,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:41:50,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:41:50,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:41:50,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:41:50,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:41:50,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:41:50,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:41:50,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:41:50,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:41:50,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:41:50,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:41:50,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:41:50,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:41:50,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:41:50,284 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:41:50,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:41:50,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:41:50,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:41:50,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:41:50,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:41:50,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:41:50,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:41:50,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:41:50,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:41:50,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:41:50,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:41:50,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:41:50,287 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:41:50,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:41:50,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:41:50,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:41:50,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:41:50,577 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:41:50,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2021-03-25 14:41:50,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9456e96e6/0f44a1fd803149d1835b298fb33d6d2a/FLAG249537b5d [2021-03-25 14:41:51,082 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:41:51,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2021-03-25 14:41:51,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9456e96e6/0f44a1fd803149d1835b298fb33d6d2a/FLAG249537b5d [2021-03-25 14:41:51,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9456e96e6/0f44a1fd803149d1835b298fb33d6d2a [2021-03-25 14:41:51,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:41:51,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:41:51,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:41:51,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:41:51,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:41:51,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:41:51" (1/1) ... [2021-03-25 14:41:51,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e6f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:51, skipping insertion in model container [2021-03-25 14:41:51,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:41:51" (1/1) ... [2021-03-25 14:41:51,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:41:51,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:41:51,881 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i[991,1004] [2021-03-25 14:41:52,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:41:52,074 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:41:52,083 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i[991,1004] [2021-03-25 14:41:52,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:41:52,193 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:41:52,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52 WrapperNode [2021-03-25 14:41:52,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:41:52,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:41:52,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:41:52,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:41:52,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:41:52,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:41:52,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:41:52,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:41:52,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... [2021-03-25 14:41:52,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:41:52,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:41:52,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:41:52,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:41:52,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:41:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:41:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:41:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:41:52,395 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:41:54,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:41:54,582 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:41:54,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:41:54 BoogieIcfgContainer [2021-03-25 14:41:54,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:41:54,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:41:54,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:41:54,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:41:54,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:41:51" (1/3) ... [2021-03-25 14:41:54,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f24379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:41:54, skipping insertion in model container [2021-03-25 14:41:54,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:52" (2/3) ... [2021-03-25 14:41:54,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f24379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:41:54, skipping insertion in model container [2021-03-25 14:41:54,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:41:54" (3/3) ... [2021-03-25 14:41:54,588 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_rmo.opt.i [2021-03-25 14:41:54,592 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:41:54,595 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:41:54,596 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:41:54,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,649 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,652 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:54,655 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:41:54,666 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 14:41:54,679 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:41:54,679 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:41:54,679 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:41:54,679 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:41:54,679 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:41:54,679 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:41:54,679 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:41:54,679 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:41:54,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 14:41:54,710 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 14:41:54,710 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:54,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 14:41:54,713 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 14:41:54,715 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:54,716 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:41:54,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:54,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:54,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:54,738 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 14:41:54,738 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:54,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 14:41:54,740 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-25 14:41:55,614 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 14:41:56,136 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-03-25 14:41:57,473 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 14:41:58,033 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:41:58,250 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:41:58,576 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:41:58,680 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:41:59,730 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:42:00,060 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:42:01,320 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-03-25 14:42:01,860 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-25 14:42:02,571 INFO L154 LiptonReduction]: Checked pairs total: 1858 [2021-03-25 14:42:02,571 INFO L156 LiptonReduction]: Total number of compositions: 57 [2021-03-25 14:42:02,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7857 [2021-03-25 14:42:02,591 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:42:02,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:02,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:02,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:02,591 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:02,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:02,594 INFO L82 PathProgramCache]: Analyzing trace with hash 985276753, now seen corresponding path program 1 times [2021-03-25 14:42:02,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:02,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634086191] [2021-03-25 14:42:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:02,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:02,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:02,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:02,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:02,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634086191] [2021-03-25 14:42:02,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:02,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:42:02,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75737376] [2021-03-25 14:42:02,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:42:02,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:02,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:42:02,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:42:02,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 142 [2021-03-25 14:42:02,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:02,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:02,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 142 [2021-03-25 14:42:02,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:02,905 INFO L129 PetriNetUnfolder]: 57/161 cut-off events. [2021-03-25 14:42:02,905 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:02,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 161 events. 57/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 699 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 256. Up to 88 conditions per place. [2021-03-25 14:42:02,907 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 12 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-25 14:42:02,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 104 flow [2021-03-25 14:42:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:42:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:42:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2021-03-25 14:42:02,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8568075117370892 [2021-03-25 14:42:02,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2021-03-25 14:42:02,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2021-03-25 14:42:02,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:02,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2021-03-25 14:42:02,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:02,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:02,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:02,938 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 365 transitions. [2021-03-25 14:42:02,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 104 flow [2021-03-25 14:42:02,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:02,942 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-25 14:42:02,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-25 14:42:02,944 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-25 14:42:02,944 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:02,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 14:42:02,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 14:42:02,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2021-03-25 14:42:02,953 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 14:42:02,953 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:02,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:42:02,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-25 14:42:03,702 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:42:03,992 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:42:04,651 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:42:05,226 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:42:05,875 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 14:42:06,246 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 14:42:06,925 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-25 14:42:07,630 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-25 14:42:08,484 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 174 [2021-03-25 14:42:09,023 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2021-03-25 14:42:10,338 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 298 DAG size of output: 254 [2021-03-25 14:42:10,980 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-03-25 14:42:10,984 INFO L154 LiptonReduction]: Checked pairs total: 754 [2021-03-25 14:42:10,984 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 14:42:10,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8040 [2021-03-25 14:42:10,985 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 48 flow [2021-03-25 14:42:10,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:10,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:10,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:10,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:42:10,986 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:10,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:10,987 INFO L82 PathProgramCache]: Analyzing trace with hash 575567191, now seen corresponding path program 1 times [2021-03-25 14:42:10,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:10,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85351836] [2021-03-25 14:42:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:11,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:11,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:11,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:11,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85351836] [2021-03-25 14:42:11,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:11,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:42:11,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892460271] [2021-03-25 14:42:11,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:42:11,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:11,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:42:11,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:42:11,070 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 153 [2021-03-25 14:42:11,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 121.75) internal successors, (487), 4 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:11,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 153 [2021-03-25 14:42:11,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:11,106 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-03-25 14:42:11,106 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:11,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 23 events. 1/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 27. Up to 3 conditions per place. [2021-03-25 14:42:11,106 INFO L132 encePairwiseOnDemand]: 149/153 looper letters, 1 selfloop transitions, 2 changer transitions 4/22 dead transitions. [2021-03-25 14:42:11,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 64 flow [2021-03-25 14:42:11,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:42:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:42:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 612 transitions. [2021-03-25 14:42:11,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-03-25 14:42:11,109 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 612 transitions. [2021-03-25 14:42:11,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 612 transitions. [2021-03-25 14:42:11,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:11,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 612 transitions. [2021-03-25 14:42:11,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 122.4) internal successors, (612), 5 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,113 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:11,113 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 48 flow. Second operand 5 states and 612 transitions. [2021-03-25 14:42:11,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 64 flow [2021-03-25 14:42:11,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:11,114 INFO L241 Difference]: Finished difference. Result has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:11,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=30, PETRI_TRANSITIONS=18} [2021-03-25 14:42:11,114 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-25 14:42:11,114 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:11,114 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:11,115 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:11,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 48 flow [2021-03-25 14:42:11,118 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 14:42:11,118 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:11,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:11,118 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:11,640 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:42:11,760 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:42:12,017 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:42:12,145 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:42:12,148 INFO L154 LiptonReduction]: Checked pairs total: 411 [2021-03-25 14:42:12,148 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:12,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1034 [2021-03-25 14:42:12,153 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 44 flow [2021-03-25 14:42:12,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 121.75) internal successors, (487), 4 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:12,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:12,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:42:12,153 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:12,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:12,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1586145498, now seen corresponding path program 1 times [2021-03-25 14:42:12,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:12,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106992365] [2021-03-25 14:42:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:12,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:12,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106992365] [2021-03-25 14:42:12,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:12,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:42:12,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799955091] [2021-03-25 14:42:12,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:42:12,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:12,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:42:12,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:42:12,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 155 [2021-03-25 14:42:12,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:12,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 155 [2021-03-25 14:42:12,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:12,362 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-25 14:42:12,362 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 14:42:12,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:12,362 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 1 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2021-03-25 14:42:12,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 16 transitions, 50 flow [2021-03-25 14:42:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:42:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:42:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2021-03-25 14:42:12,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8731182795698925 [2021-03-25 14:42:12,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 406 transitions. [2021-03-25 14:42:12,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 406 transitions. [2021-03-25 14:42:12,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:12,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 406 transitions. [2021-03-25 14:42:12,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,367 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,367 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 44 flow. Second operand 3 states and 406 transitions. [2021-03-25 14:42:12,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 16 transitions, 50 flow [2021-03-25 14:42:12,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 16 transitions, 46 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:12,367 INFO L241 Difference]: Finished difference. Result has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:12,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2021-03-25 14:42:12,368 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -13 predicate places. [2021-03-25 14:42:12,368 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:12,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:12,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:12,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:12,371 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-25 14:42:12,371 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 14:42:12,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 16 events. 0/16 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:12,371 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-25 14:42:12,372 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-25 14:42:12,372 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:12,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-03-25 14:42:12,373 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:12,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:12,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:12,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:42:12,373 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:12,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:12,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2146702797, now seen corresponding path program 1 times [2021-03-25 14:42:12,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:12,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546638865] [2021-03-25 14:42:12,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:12,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:12,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-25 14:42:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 14:42:12,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:12,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546638865] [2021-03-25 14:42:12,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:12,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:42:12,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10610368] [2021-03-25 14:42:12,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:42:12,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:12,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:42:12,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:42:12,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 155 [2021-03-25 14:42:12,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:12,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 155 [2021-03-25 14:42:12,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:12,636 INFO L129 PetriNetUnfolder]: 54/135 cut-off events. [2021-03-25 14:42:12,636 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-03-25 14:42:12,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 135 events. 54/135 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 589 event pairs, 16 based on Foata normal form. 4/136 useless extension candidates. Maximal degree in co-relation 296. Up to 68 conditions per place. [2021-03-25 14:42:12,637 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 8 selfloop transitions, 5 changer transitions 6/26 dead transitions. [2021-03-25 14:42:12,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 26 transitions, 113 flow [2021-03-25 14:42:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:42:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:42:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 468 transitions. [2021-03-25 14:42:12,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7548387096774194 [2021-03-25 14:42:12,643 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 468 transitions. [2021-03-25 14:42:12,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 468 transitions. [2021-03-25 14:42:12,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:12,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 468 transitions. [2021-03-25 14:42:12,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,646 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,646 INFO L185 Difference]: Start difference. First operand has 25 places, 16 transitions, 48 flow. Second operand 4 states and 468 transitions. [2021-03-25 14:42:12,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 26 transitions, 113 flow [2021-03-25 14:42:12,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 26 transitions, 105 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:12,648 INFO L241 Difference]: Finished difference. Result has 28 places, 20 transitions, 80 flow [2021-03-25 14:42:12,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2021-03-25 14:42:12,648 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-03-25 14:42:12,648 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:12,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 20 transitions, 80 flow [2021-03-25 14:42:12,648 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 20 transitions, 80 flow [2021-03-25 14:42:12,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 80 flow [2021-03-25 14:42:12,663 INFO L129 PetriNetUnfolder]: 22/77 cut-off events. [2021-03-25 14:42:12,663 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-25 14:42:12,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 77 events. 22/77 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 303 event pairs, 11 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 159. Up to 44 conditions per place. [2021-03-25 14:42:12,668 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 14:42:12,669 INFO L154 LiptonReduction]: Checked pairs total: 35 [2021-03-25 14:42:12,669 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:12,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 14:42:12,674 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 80 flow [2021-03-25 14:42:12,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:12,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:12,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:42:12,674 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:12,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:12,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1757834541, now seen corresponding path program 2 times [2021-03-25 14:42:12,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:12,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345573090] [2021-03-25 14:42:12,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:12,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:12,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:12,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:12,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345573090] [2021-03-25 14:42:12,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:12,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:12,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856389632] [2021-03-25 14:42:12,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:12,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:12,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:12,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:12,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 155 [2021-03-25 14:42:12,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 80 flow. Second operand has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:12,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:12,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 155 [2021-03-25 14:42:12,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:13,158 INFO L129 PetriNetUnfolder]: 53/130 cut-off events. [2021-03-25 14:42:13,158 INFO L130 PetriNetUnfolder]: For 64/82 co-relation queries the response was YES. [2021-03-25 14:42:13,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 130 events. 53/130 cut-off events. For 64/82 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 523 event pairs, 5 based on Foata normal form. 4/131 useless extension candidates. Maximal degree in co-relation 381. Up to 76 conditions per place. [2021-03-25 14:42:13,159 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 18 selfloop transitions, 20 changer transitions 0/44 dead transitions. [2021-03-25 14:42:13,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 44 transitions, 254 flow [2021-03-25 14:42:13,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:42:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:42:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 857 transitions. [2021-03-25 14:42:13,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6911290322580645 [2021-03-25 14:42:13,163 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 857 transitions. [2021-03-25 14:42:13,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 857 transitions. [2021-03-25 14:42:13,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:13,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 857 transitions. [2021-03-25 14:42:13,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 107.125) internal successors, (857), 8 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,167 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,167 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 80 flow. Second operand 8 states and 857 transitions. [2021-03-25 14:42:13,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 44 transitions, 254 flow [2021-03-25 14:42:13,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 44 transitions, 241 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:13,169 INFO L241 Difference]: Finished difference. Result has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:13,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=215, PETRI_PLACES=35, PETRI_TRANSITIONS=36} [2021-03-25 14:42:13,169 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2021-03-25 14:42:13,169 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:13,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:13,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:13,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:13,191 INFO L129 PetriNetUnfolder]: 42/120 cut-off events. [2021-03-25 14:42:13,192 INFO L130 PetriNetUnfolder]: For 84/86 co-relation queries the response was YES. [2021-03-25 14:42:13,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 120 events. 42/120 cut-off events. For 84/86 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 522 event pairs, 9 based on Foata normal form. 1/117 useless extension candidates. Maximal degree in co-relation 346. Up to 70 conditions per place. [2021-03-25 14:42:13,193 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:13,195 INFO L154 LiptonReduction]: Checked pairs total: 81 [2021-03-25 14:42:13,195 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:13,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 14:42:13,195 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:13,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:13,196 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:13,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:42:13,196 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:13,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:13,196 INFO L82 PathProgramCache]: Analyzing trace with hash 2098048549, now seen corresponding path program 3 times [2021-03-25 14:42:13,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:13,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318029166] [2021-03-25 14:42:13,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:13,318 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:42:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:42:13,336 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:42:13,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:42:13,369 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-25 14:42:13,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 14:42:13,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 14:42:13,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:13,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:13,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:13,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318029166] [2021-03-25 14:42:13,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:13,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:13,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138412730] [2021-03-25 14:42:13,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:13,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:13,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:13,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:13,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 155 [2021-03-25 14:42:13,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 36 transitions, 215 flow. Second operand has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:13,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 155 [2021-03-25 14:42:13,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:13,615 INFO L129 PetriNetUnfolder]: 53/134 cut-off events. [2021-03-25 14:42:13,615 INFO L130 PetriNetUnfolder]: For 152/176 co-relation queries the response was YES. [2021-03-25 14:42:13,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 134 events. 53/134 cut-off events. For 152/176 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 564 event pairs, 1 based on Foata normal form. 6/138 useless extension candidates. Maximal degree in co-relation 512. Up to 79 conditions per place. [2021-03-25 14:42:13,617 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 21 selfloop transitions, 24 changer transitions 0/51 dead transitions. [2021-03-25 14:42:13,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 51 transitions, 405 flow [2021-03-25 14:42:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-03-25 14:42:13,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6903225806451613 [2021-03-25 14:42:13,620 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-03-25 14:42:13,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-03-25 14:42:13,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:13,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-03-25 14:42:13,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,623 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,623 INFO L185 Difference]: Start difference. First operand has 35 places, 36 transitions, 215 flow. Second operand 6 states and 642 transitions. [2021-03-25 14:42:13,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 51 transitions, 405 flow [2021-03-25 14:42:13,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:42:13,628 INFO L241 Difference]: Finished difference. Result has 41 places, 48 transitions, 392 flow [2021-03-25 14:42:13,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=41, PETRI_TRANSITIONS=48} [2021-03-25 14:42:13,628 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2021-03-25 14:42:13,628 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:13,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 48 transitions, 392 flow [2021-03-25 14:42:13,629 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 48 transitions, 392 flow [2021-03-25 14:42:13,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 48 transitions, 392 flow [2021-03-25 14:42:13,646 INFO L129 PetriNetUnfolder]: 45/125 cut-off events. [2021-03-25 14:42:13,646 INFO L130 PetriNetUnfolder]: For 290/303 co-relation queries the response was YES. [2021-03-25 14:42:13,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 125 events. 45/125 cut-off events. For 290/303 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 554 event pairs, 6 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 474. Up to 72 conditions per place. [2021-03-25 14:42:13,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-25 14:42:13,650 INFO L154 LiptonReduction]: Checked pairs total: 78 [2021-03-25 14:42:13,650 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:13,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-25 14:42:13,652 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 48 transitions, 392 flow [2021-03-25 14:42:13,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:13,653 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:13,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:42:13,653 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:13,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:13,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1893494899, now seen corresponding path program 4 times [2021-03-25 14:42:13,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:13,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48902445] [2021-03-25 14:42:13,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:13,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:13,721 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 14:42:13,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:13,729 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 14:42:13,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:13,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:13,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:42:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:13,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48902445] [2021-03-25 14:42:13,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:13,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:13,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128675616] [2021-03-25 14:42:13,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:13,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:13,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:13,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:13,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 155 [2021-03-25 14:42:13,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 48 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:13,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 155 [2021-03-25 14:42:13,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:13,883 INFO L129 PetriNetUnfolder]: 56/143 cut-off events. [2021-03-25 14:42:13,883 INFO L130 PetriNetUnfolder]: For 332/364 co-relation queries the response was YES. [2021-03-25 14:42:13,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 143 events. 56/143 cut-off events. For 332/364 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 622 event pairs, 4 based on Foata normal form. 8/149 useless extension candidates. Maximal degree in co-relation 654. Up to 82 conditions per place. [2021-03-25 14:42:13,884 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 25 selfloop transitions, 27 changer transitions 0/58 dead transitions. [2021-03-25 14:42:13,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 58 transitions, 559 flow [2021-03-25 14:42:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 743 transitions. [2021-03-25 14:42:13,887 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6847926267281106 [2021-03-25 14:42:13,887 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 743 transitions. [2021-03-25 14:42:13,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 743 transitions. [2021-03-25 14:42:13,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:13,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 743 transitions. [2021-03-25 14:42:13,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 106.14285714285714) internal successors, (743), 7 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,890 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,890 INFO L185 Difference]: Start difference. First operand has 41 places, 48 transitions, 392 flow. Second operand 7 states and 743 transitions. [2021-03-25 14:42:13,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 58 transitions, 559 flow [2021-03-25 14:42:13,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 545 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-03-25 14:42:13,896 INFO L241 Difference]: Finished difference. Result has 49 places, 52 transitions, 501 flow [2021-03-25 14:42:13,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=501, PETRI_PLACES=49, PETRI_TRANSITIONS=52} [2021-03-25 14:42:13,896 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 11 predicate places. [2021-03-25 14:42:13,896 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:13,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 52 transitions, 501 flow [2021-03-25 14:42:13,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 52 transitions, 501 flow [2021-03-25 14:42:13,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 52 transitions, 501 flow [2021-03-25 14:42:13,918 INFO L129 PetriNetUnfolder]: 52/137 cut-off events. [2021-03-25 14:42:13,918 INFO L130 PetriNetUnfolder]: For 455/459 co-relation queries the response was YES. [2021-03-25 14:42:13,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 137 events. 52/137 cut-off events. For 455/459 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 618 event pairs, 14 based on Foata normal form. 1/136 useless extension candidates. Maximal degree in co-relation 625. Up to 74 conditions per place. [2021-03-25 14:42:13,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 118 [2021-03-25 14:42:13,923 INFO L154 LiptonReduction]: Checked pairs total: 147 [2021-03-25 14:42:13,923 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:13,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-25 14:42:13,925 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 52 transitions, 501 flow [2021-03-25 14:42:13,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:13,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:13,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:13,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:42:13,925 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:13,926 INFO L82 PathProgramCache]: Analyzing trace with hash 723612879, now seen corresponding path program 5 times [2021-03-25 14:42:13,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:13,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926881228] [2021-03-25 14:42:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:14,022 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:42:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:42:14,045 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:42:14,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:42:14,084 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.3 percent of original size [2021-03-25 14:42:14,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 14:42:14,142 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-25 14:42:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 14:42:14,151 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.1 percent of original size [2021-03-25 14:42:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 14:42:14,211 INFO L142 QuantifierPusher]: treesize reduction 26, result has 70.8 percent of original size [2021-03-25 14:42:14,213 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.7 percent of original size 54 [2021-03-25 14:42:14,282 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-03-25 14:42:14,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:14,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926881228] [2021-03-25 14:42:14,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:14,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:14,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664216279] [2021-03-25 14:42:14,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:14,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:14,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:14,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:14,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 155 [2021-03-25 14:42:14,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 52 transitions, 501 flow. Second operand has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:14,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 155 [2021-03-25 14:42:14,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:14,677 INFO L129 PetriNetUnfolder]: 81/221 cut-off events. [2021-03-25 14:42:14,678 INFO L130 PetriNetUnfolder]: For 694/713 co-relation queries the response was YES. [2021-03-25 14:42:14,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 221 events. 81/221 cut-off events. For 694/713 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1225 event pairs, 3 based on Foata normal form. 10/230 useless extension candidates. Maximal degree in co-relation 1131. Up to 121 conditions per place. [2021-03-25 14:42:14,680 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 54 selfloop transitions, 22 changer transitions 2/84 dead transitions. [2021-03-25 14:42:14,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 84 transitions, 956 flow [2021-03-25 14:42:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:42:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:42:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 806 transitions. [2021-03-25 14:42:14,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65 [2021-03-25 14:42:14,683 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 806 transitions. [2021-03-25 14:42:14,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 806 transitions. [2021-03-25 14:42:14,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:14,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 806 transitions. [2021-03-25 14:42:14,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 100.75) internal successors, (806), 8 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,688 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,688 INFO L185 Difference]: Start difference. First operand has 49 places, 52 transitions, 501 flow. Second operand 8 states and 806 transitions. [2021-03-25 14:42:14,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 84 transitions, 956 flow [2021-03-25 14:42:14,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 84 transitions, 949 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:42:14,692 INFO L241 Difference]: Finished difference. Result has 55 places, 61 transitions, 677 flow [2021-03-25 14:42:14,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=677, PETRI_PLACES=55, PETRI_TRANSITIONS=61} [2021-03-25 14:42:14,693 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 17 predicate places. [2021-03-25 14:42:14,693 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:14,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 61 transitions, 677 flow [2021-03-25 14:42:14,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 61 transitions, 677 flow [2021-03-25 14:42:14,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 61 transitions, 677 flow [2021-03-25 14:42:14,736 INFO L129 PetriNetUnfolder]: 75/215 cut-off events. [2021-03-25 14:42:14,736 INFO L130 PetriNetUnfolder]: For 833/837 co-relation queries the response was YES. [2021-03-25 14:42:14,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 215 events. 75/215 cut-off events. For 833/837 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1205 event pairs, 27 based on Foata normal form. 1/214 useless extension candidates. Maximal degree in co-relation 1030. Up to 115 conditions per place. [2021-03-25 14:42:14,739 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-25 14:42:14,749 INFO L154 LiptonReduction]: Checked pairs total: 163 [2021-03-25 14:42:14,750 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:14,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-25 14:42:14,750 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 61 transitions, 677 flow [2021-03-25 14:42:14,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:14,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:14,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:42:14,751 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:14,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:14,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1522057371, now seen corresponding path program 6 times [2021-03-25 14:42:14,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:14,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507568317] [2021-03-25 14:42:14,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:14,838 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:42:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:42:14,867 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.7 percent of original size [2021-03-25 14:42:14,869 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-03-25 14:42:14,911 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.7 percent of original size [2021-03-25 14:42:14,912 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-03-25 14:42:14,913 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-25 14:42:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 14:42:14,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:14,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:42:14,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:14,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:15,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507568317] [2021-03-25 14:42:15,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:15,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:15,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112057263] [2021-03-25 14:42:15,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:15,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:15,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:15,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:15,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 155 [2021-03-25 14:42:15,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 61 transitions, 677 flow. Second operand has 7 states, 7 states have (on average 102.14285714285714) internal successors, (715), 7 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:15,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 155 [2021-03-25 14:42:15,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:15,250 INFO L129 PetriNetUnfolder]: 78/216 cut-off events. [2021-03-25 14:42:15,250 INFO L130 PetriNetUnfolder]: For 838/862 co-relation queries the response was YES. [2021-03-25 14:42:15,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1219 conditions, 216 events. 78/216 cut-off events. For 838/862 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1186 event pairs, 3 based on Foata normal form. 12/227 useless extension candidates. Maximal degree in co-relation 1195. Up to 131 conditions per place. [2021-03-25 14:42:15,252 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 29 selfloop transitions, 32 changer transitions 0/67 dead transitions. [2021-03-25 14:42:15,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 67 transitions, 831 flow [2021-03-25 14:42:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 733 transitions. [2021-03-25 14:42:15,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6755760368663595 [2021-03-25 14:42:15,255 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 733 transitions. [2021-03-25 14:42:15,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 733 transitions. [2021-03-25 14:42:15,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:15,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 733 transitions. [2021-03-25 14:42:15,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 104.71428571428571) internal successors, (733), 7 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,258 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,258 INFO L185 Difference]: Start difference. First operand has 55 places, 61 transitions, 677 flow. Second operand 7 states and 733 transitions. [2021-03-25 14:42:15,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 67 transitions, 831 flow [2021-03-25 14:42:15,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 67 transitions, 810 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-25 14:42:15,263 INFO L241 Difference]: Finished difference. Result has 57 places, 61 transitions, 750 flow [2021-03-25 14:42:15,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=750, PETRI_PLACES=57, PETRI_TRANSITIONS=61} [2021-03-25 14:42:15,263 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 19 predicate places. [2021-03-25 14:42:15,263 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:15,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 61 transitions, 750 flow [2021-03-25 14:42:15,263 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 61 transitions, 750 flow [2021-03-25 14:42:15,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 61 transitions, 750 flow [2021-03-25 14:42:15,291 INFO L129 PetriNetUnfolder]: 70/206 cut-off events. [2021-03-25 14:42:15,292 INFO L130 PetriNetUnfolder]: For 933/937 co-relation queries the response was YES. [2021-03-25 14:42:15,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 206 events. 70/206 cut-off events. For 933/937 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1160 event pairs, 26 based on Foata normal form. 1/205 useless extension candidates. Maximal degree in co-relation 1086. Up to 111 conditions per place. [2021-03-25 14:42:15,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-25 14:42:15,299 INFO L154 LiptonReduction]: Checked pairs total: 157 [2021-03-25 14:42:15,300 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:15,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 14:42:15,300 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 750 flow [2021-03-25 14:42:15,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 102.14285714285714) internal successors, (715), 7 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:15,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:15,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:42:15,301 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:15,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:15,301 INFO L82 PathProgramCache]: Analyzing trace with hash 614995047, now seen corresponding path program 1 times [2021-03-25 14:42:15,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:15,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982278375] [2021-03-25 14:42:15,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:15,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:15,367 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 14:42:15,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:15,374 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-25 14:42:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:15,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982278375] [2021-03-25 14:42:15,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:15,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:15,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645686572] [2021-03-25 14:42:15,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:42:15,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:15,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:42:15,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:42:15,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 155 [2021-03-25 14:42:15,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 61 transitions, 750 flow. Second operand has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:15,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 155 [2021-03-25 14:42:15,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:15,556 INFO L129 PetriNetUnfolder]: 98/290 cut-off events. [2021-03-25 14:42:15,556 INFO L130 PetriNetUnfolder]: For 1367/1377 co-relation queries the response was YES. [2021-03-25 14:42:15,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1755 conditions, 290 events. 98/290 cut-off events. For 1367/1377 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1815 event pairs, 13 based on Foata normal form. 7/295 useless extension candidates. Maximal degree in co-relation 1731. Up to 158 conditions per place. [2021-03-25 14:42:15,558 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 31 selfloop transitions, 16 changer transitions 44/97 dead transitions. [2021-03-25 14:42:15,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 97 transitions, 1407 flow [2021-03-25 14:42:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 676 transitions. [2021-03-25 14:42:15,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7268817204301076 [2021-03-25 14:42:15,561 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 676 transitions. [2021-03-25 14:42:15,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 676 transitions. [2021-03-25 14:42:15,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:15,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 676 transitions. [2021-03-25 14:42:15,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.66666666666667) internal successors, (676), 6 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,564 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:15,564 INFO L185 Difference]: Start difference. First operand has 57 places, 61 transitions, 750 flow. Second operand 6 states and 676 transitions. [2021-03-25 14:42:15,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 97 transitions, 1407 flow [2021-03-25 14:42:15,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 97 transitions, 1352 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-25 14:42:15,571 INFO L241 Difference]: Finished difference. Result has 60 places, 53 transitions, 668 flow [2021-03-25 14:42:15,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=668, PETRI_PLACES=60, PETRI_TRANSITIONS=53} [2021-03-25 14:42:15,572 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 22 predicate places. [2021-03-25 14:42:15,572 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:15,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 53 transitions, 668 flow [2021-03-25 14:42:15,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 53 transitions, 668 flow [2021-03-25 14:42:15,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 53 transitions, 668 flow [2021-03-25 14:42:15,593 INFO L129 PetriNetUnfolder]: 49/161 cut-off events. [2021-03-25 14:42:15,593 INFO L130 PetriNetUnfolder]: For 823/826 co-relation queries the response was YES. [2021-03-25 14:42:15,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 161 events. 49/161 cut-off events. For 823/826 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 867 event pairs, 16 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 909. Up to 91 conditions per place. [2021-03-25 14:42:15,595 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:16,847 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 238 DAG size of output: 213 [2021-03-25 14:42:17,351 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-03-25 14:42:19,581 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 342 DAG size of output: 319 [2021-03-25 14:42:20,596 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 312 [2021-03-25 14:42:20,615 INFO L154 LiptonReduction]: Checked pairs total: 190 [2021-03-25 14:42:20,615 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:42:20,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5043 [2021-03-25 14:42:20,616 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 680 flow [2021-03-25 14:42:20,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:20,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:20,616 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:20,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:42:20,616 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:20,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:20,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1643058787, now seen corresponding path program 1 times [2021-03-25 14:42:20,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:20,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546116684] [2021-03-25 14:42:20,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:20,760 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:42:20,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:42:20,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-25 14:42:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 14:42:20,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:20,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:20,831 INFO L142 QuantifierPusher]: treesize reduction 59, result has 33.7 percent of original size [2021-03-25 14:42:20,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 14:42:20,863 INFO L142 QuantifierPusher]: treesize reduction 63, result has 37.0 percent of original size [2021-03-25 14:42:20,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 14:42:20,900 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-25 14:42:20,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 14:42:20,937 INFO L142 QuantifierPusher]: treesize reduction 31, result has 51.6 percent of original size [2021-03-25 14:42:20,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 14:42:20,972 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 14:42:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 14:42:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:21,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546116684] [2021-03-25 14:42:21,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:21,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 14:42:21,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667759786] [2021-03-25 14:42:21,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 14:42:21,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:21,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 14:42:21,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 14:42:21,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 156 [2021-03-25 14:42:21,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 680 flow. Second operand has 10 states, 10 states have (on average 97.9) internal successors, (979), 10 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:21,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 156 [2021-03-25 14:42:21,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:21,539 INFO L129 PetriNetUnfolder]: 54/218 cut-off events. [2021-03-25 14:42:21,540 INFO L130 PetriNetUnfolder]: For 1192/1216 co-relation queries the response was YES. [2021-03-25 14:42:21,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1402 conditions, 218 events. 54/218 cut-off events. For 1192/1216 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1356 event pairs, 0 based on Foata normal form. 13/230 useless extension candidates. Maximal degree in co-relation 1376. Up to 118 conditions per place. [2021-03-25 14:42:21,541 INFO L132 encePairwiseOnDemand]: 145/156 looper letters, 37 selfloop transitions, 34 changer transitions 13/90 dead transitions. [2021-03-25 14:42:21,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 90 transitions, 1308 flow [2021-03-25 14:42:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 14:42:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 14:42:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1213 transitions. [2021-03-25 14:42:21,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6479700854700855 [2021-03-25 14:42:21,545 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1213 transitions. [2021-03-25 14:42:21,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1213 transitions. [2021-03-25 14:42:21,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:21,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1213 transitions. [2021-03-25 14:42:21,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 101.08333333333333) internal successors, (1213), 12 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,549 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,549 INFO L185 Difference]: Start difference. First operand has 58 places, 53 transitions, 680 flow. Second operand 12 states and 1213 transitions. [2021-03-25 14:42:21,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 90 transitions, 1308 flow [2021-03-25 14:42:21,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 90 transitions, 1231 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-25 14:42:21,556 INFO L241 Difference]: Finished difference. Result has 72 places, 67 transitions, 961 flow [2021-03-25 14:42:21,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=961, PETRI_PLACES=72, PETRI_TRANSITIONS=67} [2021-03-25 14:42:21,557 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 34 predicate places. [2021-03-25 14:42:21,557 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:21,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 67 transitions, 961 flow [2021-03-25 14:42:21,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 67 transitions, 961 flow [2021-03-25 14:42:21,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 67 transitions, 961 flow [2021-03-25 14:42:21,581 INFO L129 PetriNetUnfolder]: 45/184 cut-off events. [2021-03-25 14:42:21,581 INFO L130 PetriNetUnfolder]: For 1243/1252 co-relation queries the response was YES. [2021-03-25 14:42:21,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 184 events. 45/184 cut-off events. For 1243/1252 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1045 event pairs, 3 based on Foata normal form. 2/185 useless extension candidates. Maximal degree in co-relation 1132. Up to 82 conditions per place. [2021-03-25 14:42:21,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 122 [2021-03-25 14:42:22,262 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:22,495 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:24,683 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 336 DAG size of output: 262 [2021-03-25 14:42:25,282 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-25 14:42:25,293 INFO L154 LiptonReduction]: Checked pairs total: 389 [2021-03-25 14:42:25,294 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:42:25,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3737 [2021-03-25 14:42:25,295 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 977 flow [2021-03-25 14:42:25,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 97.9) internal successors, (979), 10 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:25,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:25,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:42:25,296 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:25,296 INFO L82 PathProgramCache]: Analyzing trace with hash -182638759, now seen corresponding path program 2 times [2021-03-25 14:42:25,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:25,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053246470] [2021-03-25 14:42:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:25,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:25,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:25,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:25,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:25,383 INFO L142 QuantifierPusher]: treesize reduction 12, result has 79.7 percent of original size [2021-03-25 14:42:25,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:42:25,404 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 14:42:25,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:42:25,422 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 14:42:25,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:25,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:25,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:25,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053246470] [2021-03-25 14:42:25,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:25,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:25,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312389889] [2021-03-25 14:42:25,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:25,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:25,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:25,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:25,450 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 157 [2021-03-25 14:42:25,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 977 flow. Second operand has 8 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:25,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 157 [2021-03-25 14:42:25,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:25,663 INFO L129 PetriNetUnfolder]: 40/175 cut-off events. [2021-03-25 14:42:25,663 INFO L130 PetriNetUnfolder]: For 1298/1337 co-relation queries the response was YES. [2021-03-25 14:42:25,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1271 conditions, 175 events. 40/175 cut-off events. For 1298/1337 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1007 event pairs, 0 based on Foata normal form. 14/189 useless extension candidates. Maximal degree in co-relation 1239. Up to 104 conditions per place. [2021-03-25 14:42:25,664 INFO L132 encePairwiseOnDemand]: 150/157 looper letters, 43 selfloop transitions, 9 changer transitions 18/76 dead transitions. [2021-03-25 14:42:25,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 76 transitions, 1213 flow [2021-03-25 14:42:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 745 transitions. [2021-03-25 14:42:25,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6778889899909009 [2021-03-25 14:42:25,668 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 745 transitions. [2021-03-25 14:42:25,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 745 transitions. [2021-03-25 14:42:25,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:25,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 745 transitions. [2021-03-25 14:42:25,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 106.42857142857143) internal successors, (745), 7 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 157.0) internal successors, (1256), 8 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,671 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 157.0) internal successors, (1256), 8 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,671 INFO L185 Difference]: Start difference. First operand has 70 places, 67 transitions, 977 flow. Second operand 7 states and 745 transitions. [2021-03-25 14:42:25,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 76 transitions, 1213 flow [2021-03-25 14:42:25,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 76 transitions, 1128 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-03-25 14:42:25,680 INFO L241 Difference]: Finished difference. Result has 75 places, 57 transitions, 735 flow [2021-03-25 14:42:25,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=735, PETRI_PLACES=75, PETRI_TRANSITIONS=57} [2021-03-25 14:42:25,680 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 37 predicate places. [2021-03-25 14:42:25,680 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:25,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 57 transitions, 735 flow [2021-03-25 14:42:25,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 57 transitions, 735 flow [2021-03-25 14:42:25,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 57 transitions, 735 flow [2021-03-25 14:42:25,699 INFO L129 PetriNetUnfolder]: 32/137 cut-off events. [2021-03-25 14:42:25,699 INFO L130 PetriNetUnfolder]: For 888/904 co-relation queries the response was YES. [2021-03-25 14:42:25,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 137 events. 32/137 cut-off events. For 888/904 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 725 event pairs, 3 based on Foata normal form. 2/139 useless extension candidates. Maximal degree in co-relation 831. Up to 63 conditions per place. [2021-03-25 14:42:25,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-25 14:42:26,955 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 14:42:27,528 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 14:42:30,450 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-25 14:42:31,653 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 305 [2021-03-25 14:42:31,930 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 14:42:32,521 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 89 [2021-03-25 14:42:32,714 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-25 14:42:33,620 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:33,967 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:35,895 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:36,599 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:38,257 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 238 DAG size of output: 213 [2021-03-25 14:42:38,967 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-03-25 14:42:42,935 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 342 DAG size of output: 319 [2021-03-25 14:42:44,910 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 312 [2021-03-25 14:42:44,919 INFO L154 LiptonReduction]: Checked pairs total: 365 [2021-03-25 14:42:44,919 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 14:42:44,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19239 [2021-03-25 14:42:44,920 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 57 transitions, 770 flow [2021-03-25 14:42:44,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:44,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:44,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:44,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:42:44,920 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:44,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:44,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1697911615, now seen corresponding path program 2 times [2021-03-25 14:42:44,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:44,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710439179] [2021-03-25 14:42:44,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:44,972 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-03-25 14:42:44,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:42:44,988 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-03-25 14:42:44,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:42:44,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:44,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 14:42:45,012 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-25 14:42:45,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:45,021 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.7 percent of original size [2021-03-25 14:42:45,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 14:42:45,075 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.3 percent of original size [2021-03-25 14:42:45,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 14:42:45,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:45,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:45,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710439179] [2021-03-25 14:42:45,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:45,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:45,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890166908] [2021-03-25 14:42:45,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:45,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:45,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:45,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:45,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 161 [2021-03-25 14:42:45,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 57 transitions, 770 flow. Second operand has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:45,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:45,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 161 [2021-03-25 14:42:45,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:45,644 INFO L129 PetriNetUnfolder]: 28/139 cut-off events. [2021-03-25 14:42:45,644 INFO L130 PetriNetUnfolder]: For 1096/1133 co-relation queries the response was YES. [2021-03-25 14:42:45,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 139 events. 28/139 cut-off events. For 1096/1133 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 741 event pairs, 0 based on Foata normal form. 9/148 useless extension candidates. Maximal degree in co-relation 943. Up to 65 conditions per place. [2021-03-25 14:42:45,645 INFO L132 encePairwiseOnDemand]: 152/161 looper letters, 28 selfloop transitions, 21 changer transitions 9/64 dead transitions. [2021-03-25 14:42:45,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 64 transitions, 967 flow [2021-03-25 14:42:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 737 transitions. [2021-03-25 14:42:45,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6539485359361136 [2021-03-25 14:42:45,650 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 737 transitions. [2021-03-25 14:42:45,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 737 transitions. [2021-03-25 14:42:45,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:45,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 737 transitions. [2021-03-25 14:42:45,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.28571428571429) internal successors, (737), 7 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:45,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:45,653 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:45,653 INFO L185 Difference]: Start difference. First operand has 72 places, 57 transitions, 770 flow. Second operand 7 states and 737 transitions. [2021-03-25 14:42:45,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 64 transitions, 967 flow [2021-03-25 14:42:45,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 64 transitions, 903 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-03-25 14:42:45,658 INFO L241 Difference]: Finished difference. Result has 77 places, 52 transitions, 728 flow [2021-03-25 14:42:45,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=728, PETRI_PLACES=77, PETRI_TRANSITIONS=52} [2021-03-25 14:42:45,658 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 39 predicate places. [2021-03-25 14:42:45,659 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:45,659 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 52 transitions, 728 flow [2021-03-25 14:42:45,659 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 52 transitions, 728 flow [2021-03-25 14:42:45,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 52 transitions, 728 flow [2021-03-25 14:42:45,675 INFO L129 PetriNetUnfolder]: 26/115 cut-off events. [2021-03-25 14:42:45,675 INFO L130 PetriNetUnfolder]: For 912/919 co-relation queries the response was YES. [2021-03-25 14:42:45,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 115 events. 26/115 cut-off events. For 912/919 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 546 event pairs, 0 based on Foata normal form. 2/117 useless extension candidates. Maximal degree in co-relation 734. Up to 50 conditions per place. [2021-03-25 14:42:45,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 14:42:45,680 INFO L154 LiptonReduction]: Checked pairs total: 132 [2021-03-25 14:42:45,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:45,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 14:42:45,681 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 52 transitions, 728 flow [2021-03-25 14:42:45,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:45,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:45,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:45,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:42:45,681 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:45,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:45,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1697911305, now seen corresponding path program 3 times [2021-03-25 14:42:45,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:45,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522225314] [2021-03-25 14:42:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:45,739 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 14:42:45,740 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-25 14:42:45,757 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 14:42:45,758 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-25 14:42:45,760 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 14:42:45,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:42:45,782 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-25 14:42:45,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:45,812 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:42:45,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:45,843 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 14:42:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 14:42:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:45,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522225314] [2021-03-25 14:42:45,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:45,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:45,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26296630] [2021-03-25 14:42:45,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:45,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:45,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:45,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:45,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 161 [2021-03-25 14:42:45,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 52 transitions, 728 flow. Second operand has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:45,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:45,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 161 [2021-03-25 14:42:45,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:46,477 INFO L129 PetriNetUnfolder]: 23/121 cut-off events. [2021-03-25 14:42:46,477 INFO L130 PetriNetUnfolder]: For 1107/1134 co-relation queries the response was YES. [2021-03-25 14:42:46,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 121 events. 23/121 cut-off events. For 1107/1134 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 613 event pairs, 0 based on Foata normal form. 9/130 useless extension candidates. Maximal degree in co-relation 834. Up to 52 conditions per place. [2021-03-25 14:42:46,478 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 15 selfloop transitions, 31 changer transitions 7/59 dead transitions. [2021-03-25 14:42:46,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 59 transitions, 922 flow [2021-03-25 14:42:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:42:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:42:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 838 transitions. [2021-03-25 14:42:46,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6506211180124224 [2021-03-25 14:42:46,482 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 838 transitions. [2021-03-25 14:42:46,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 838 transitions. [2021-03-25 14:42:46,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:46,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 838 transitions. [2021-03-25 14:42:46,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 104.75) internal successors, (838), 8 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:46,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:46,486 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:46,486 INFO L185 Difference]: Start difference. First operand has 75 places, 52 transitions, 728 flow. Second operand 8 states and 838 transitions. [2021-03-25 14:42:46,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 59 transitions, 922 flow [2021-03-25 14:42:46,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 59 transitions, 857 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-25 14:42:46,491 INFO L241 Difference]: Finished difference. Result has 78 places, 48 transitions, 693 flow [2021-03-25 14:42:46,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=693, PETRI_PLACES=78, PETRI_TRANSITIONS=48} [2021-03-25 14:42:46,492 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 40 predicate places. [2021-03-25 14:42:46,492 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:46,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 48 transitions, 693 flow [2021-03-25 14:42:46,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 48 transitions, 693 flow [2021-03-25 14:42:46,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 48 transitions, 693 flow [2021-03-25 14:42:46,506 INFO L129 PetriNetUnfolder]: 16/91 cut-off events. [2021-03-25 14:42:46,506 INFO L130 PetriNetUnfolder]: For 706/713 co-relation queries the response was YES. [2021-03-25 14:42:46,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 91 events. 16/91 cut-off events. For 706/713 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 395 event pairs, 0 based on Foata normal form. 2/93 useless extension candidates. Maximal degree in co-relation 602. Up to 38 conditions per place. [2021-03-25 14:42:46,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-25 14:42:46,509 INFO L154 LiptonReduction]: Checked pairs total: 108 [2021-03-25 14:42:46,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:46,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-25 14:42:46,510 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 48 transitions, 693 flow [2021-03-25 14:42:46,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:46,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:46,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:46,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:42:46,512 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:46,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:46,512 INFO L82 PathProgramCache]: Analyzing trace with hash 66668198, now seen corresponding path program 1 times [2021-03-25 14:42:46,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:46,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999191006] [2021-03-25 14:42:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:46,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:46,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:46,591 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-25 14:42:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:46,593 INFO L142 QuantifierPusher]: treesize reduction 32, result has 40.7 percent of original size [2021-03-25 14:42:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:46,621 INFO L142 QuantifierPusher]: treesize reduction 13, result has 81.4 percent of original size [2021-03-25 14:42:46,623 INFO L147 QuantifierPusher]: treesize reduction 23, result has 59.6 percent of original size 34 [2021-03-25 14:42:46,685 INFO L142 QuantifierPusher]: treesize reduction 80, result has 71.4 percent of original size [2021-03-25 14:42:46,687 INFO L147 QuantifierPusher]: treesize reduction 17, result has 91.5 percent of original size 183 [2021-03-25 14:42:46,800 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-25 14:42:46,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:46,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:46,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999191006] [2021-03-25 14:42:46,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:46,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:46,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313208994] [2021-03-25 14:42:46,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:46,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:46,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:46,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:46,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 161 [2021-03-25 14:42:46,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 48 transitions, 693 flow. Second operand has 8 states, 8 states have (on average 97.125) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:46,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:46,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 161 [2021-03-25 14:42:46,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:47,303 INFO L129 PetriNetUnfolder]: 15/90 cut-off events. [2021-03-25 14:42:47,303 INFO L130 PetriNetUnfolder]: For 775/802 co-relation queries the response was YES. [2021-03-25 14:42:47,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 90 events. 15/90 cut-off events. For 775/802 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 400 event pairs, 0 based on Foata normal form. 8/98 useless extension candidates. Maximal degree in co-relation 656. Up to 38 conditions per place. [2021-03-25 14:42:47,304 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 12 selfloop transitions, 7 changer transitions 26/51 dead transitions. [2021-03-25 14:42:47,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 51 transitions, 819 flow [2021-03-25 14:42:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 599 transitions. [2021-03-25 14:42:47,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6200828157349897 [2021-03-25 14:42:47,308 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 599 transitions. [2021-03-25 14:42:47,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 599 transitions. [2021-03-25 14:42:47,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:47,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 599 transitions. [2021-03-25 14:42:47,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.83333333333333) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:47,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:47,311 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:47,312 INFO L185 Difference]: Start difference. First operand has 78 places, 48 transitions, 693 flow. Second operand 6 states and 599 transitions. [2021-03-25 14:42:47,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 51 transitions, 819 flow [2021-03-25 14:42:47,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 51 transitions, 726 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-25 14:42:47,318 INFO L241 Difference]: Finished difference. Result has 76 places, 25 transitions, 293 flow [2021-03-25 14:42:47,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=293, PETRI_PLACES=76, PETRI_TRANSITIONS=25} [2021-03-25 14:42:47,318 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 38 predicate places. [2021-03-25 14:42:47,318 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:47,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 25 transitions, 293 flow [2021-03-25 14:42:47,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 25 transitions, 293 flow [2021-03-25 14:42:47,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 25 transitions, 293 flow [2021-03-25 14:42:47,327 INFO L129 PetriNetUnfolder]: 5/29 cut-off events. [2021-03-25 14:42:47,327 INFO L130 PetriNetUnfolder]: For 196/196 co-relation queries the response was YES. [2021-03-25 14:42:47,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 29 events. 5/29 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 169. Up to 12 conditions per place. [2021-03-25 14:42:47,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 14 [2021-03-25 14:42:47,615 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 14:42:47,771 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 14:42:48,036 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:48,300 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:48,666 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:48,829 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-25 14:42:49,585 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-25 14:42:49,914 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 14:42:50,331 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:50,484 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-25 14:42:51,254 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-03-25 14:42:51,590 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-25 14:42:52,428 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-03-25 14:42:53,295 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-03-25 14:42:55,058 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 314 [2021-03-25 14:42:56,988 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 314 [2021-03-25 14:42:57,483 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:57,648 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-25 14:42:58,509 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-25 14:42:58,839 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 14:42:59,244 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:59,382 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-25 14:43:00,190 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-25 14:43:00,510 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 14:43:00,513 INFO L154 LiptonReduction]: Checked pairs total: 17 [2021-03-25 14:43:00,513 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 14:43:00,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13195 [2021-03-25 14:43:00,513 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 23 transitions, 289 flow [2021-03-25 14:43:00,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 97.125) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:00,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:43:00,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:43:00,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:43:00,514 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:43:00,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:43:00,514 INFO L82 PathProgramCache]: Analyzing trace with hash -2070250869, now seen corresponding path program 4 times [2021-03-25 14:43:00,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:43:00,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642364460] [2021-03-25 14:43:00,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:43:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:43:00,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:43:00,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:43:00,565 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.6 percent of original size [2021-03-25 14:43:00,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 14:43:00,611 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.5 percent of original size [2021-03-25 14:43:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 14:43:00,663 INFO L142 QuantifierPusher]: treesize reduction 12, result has 63.6 percent of original size [2021-03-25 14:43:00,665 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 14:43:00,704 INFO L142 QuantifierPusher]: treesize reduction 6, result has 64.7 percent of original size [2021-03-25 14:43:00,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:43:00,724 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-25 14:43:00,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:43:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:43:00,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642364460] [2021-03-25 14:43:00,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:43:00,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:43:00,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001823272] [2021-03-25 14:43:00,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:43:00,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:43:00,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:43:00,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:43:00,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 167 [2021-03-25 14:43:00,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 23 transitions, 289 flow. Second operand has 8 states, 8 states have (on average 101.125) internal successors, (809), 8 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:00,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:43:00,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 167 [2021-03-25 14:43:00,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:43:00,958 INFO L129 PetriNetUnfolder]: 4/24 cut-off events. [2021-03-25 14:43:00,958 INFO L130 PetriNetUnfolder]: For 256/256 co-relation queries the response was YES. [2021-03-25 14:43:00,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 24 events. 4/24 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 4/28 useless extension candidates. Maximal degree in co-relation 167. Up to 12 conditions per place. [2021-03-25 14:43:00,958 INFO L132 encePairwiseOnDemand]: 159/167 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2021-03-25 14:43:00,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 23 transitions, 315 flow [2021-03-25 14:43:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:43:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:43:00,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 818 transitions. [2021-03-25 14:43:00,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6122754491017964 [2021-03-25 14:43:00,961 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 818 transitions. [2021-03-25 14:43:00,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 818 transitions. [2021-03-25 14:43:00,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:43:00,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 818 transitions. [2021-03-25 14:43:00,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 102.25) internal successors, (818), 8 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:00,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:00,965 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:00,965 INFO L185 Difference]: Start difference. First operand has 59 places, 23 transitions, 289 flow. Second operand 8 states and 818 transitions. [2021-03-25 14:43:00,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 23 transitions, 315 flow [2021-03-25 14:43:00,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 23 transitions, 199 flow, removed 18 selfloop flow, removed 22 redundant places. [2021-03-25 14:43:00,966 INFO L241 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2021-03-25 14:43:00,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2021-03-25 14:43:00,966 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-03-25 14:43:00,966 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:43:00,966 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 0 transitions, 0 flow [2021-03-25 14:43:00,966 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 0 transitions, 0 flow [2021-03-25 14:43:00,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 14:43:00,967 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 14:43:00,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:43:00,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 14:43:00,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 14:43:00,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:43:00,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:43:00,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 14:43:00,967 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 14:43:00,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 101.125) internal successors, (809), 8 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:43:00,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:43:00,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:43:00 BasicIcfg [2021-03-25 14:43:00,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:43:00,971 INFO L168 Benchmark]: Toolchain (without parser) took 69347.41 ms. Allocated memory was 329.3 MB in the beginning and 1.0 GB in the end (delta: 673.2 MB). Free memory was 292.2 MB in the beginning and 764.0 MB in the end (delta: -471.8 MB). Peak memory consumption was 203.5 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:00,971 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 329.3 MB. Free memory was 310.7 MB in the beginning and 310.6 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:43:00,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.68 ms. Allocated memory is still 329.3 MB. Free memory was 292.0 MB in the beginning and 285.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:00,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.94 ms. Allocated memory is still 329.3 MB. Free memory was 285.7 MB in the beginning and 281.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:00,971 INFO L168 Benchmark]: Boogie Preprocessor took 54.05 ms. Allocated memory is still 329.3 MB. Free memory was 281.5 MB in the beginning and 279.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:00,972 INFO L168 Benchmark]: RCFGBuilder took 2255.19 ms. Allocated memory was 329.3 MB in the beginning and 423.6 MB in the end (delta: 94.4 MB). Free memory was 279.4 MB in the beginning and 301.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 163.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:00,972 INFO L168 Benchmark]: TraceAbstraction took 66386.13 ms. Allocated memory was 423.6 MB in the beginning and 1.0 GB in the end (delta: 578.8 MB). Free memory was 301.0 MB in the beginning and 764.0 MB in the end (delta: -462.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:43:00,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 329.3 MB. Free memory was 310.7 MB in the beginning and 310.6 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 570.68 ms. Allocated memory is still 329.3 MB. Free memory was 292.0 MB in the beginning and 285.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 76.94 ms. Allocated memory is still 329.3 MB. Free memory was 285.7 MB in the beginning and 281.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 54.05 ms. Allocated memory is still 329.3 MB. Free memory was 281.5 MB in the beginning and 279.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2255.19 ms. Allocated memory was 329.3 MB in the beginning and 423.6 MB in the end (delta: 94.4 MB). Free memory was 279.4 MB in the beginning and 301.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 163.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 66386.13 ms. Allocated memory was 423.6 MB in the beginning and 1.0 GB in the end (delta: 578.8 MB). Free memory was 301.0 MB in the beginning and 764.0 MB in the end (delta: -462.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7846.0ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 1858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 939, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 706, positive: 666, positive conditional: 0, positive unconditional: 666, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 696, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 684, negative conditional: 0, negative unconditional: 684, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 939, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 706, unknown conditional: 0, unknown unconditional: 706] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8039.0ms, 37 PlacesBefore, 27 PlacesAfterwards, 30 TransitionsBefore, 20 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 754 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 262, negative conditional: 0, negative unconditional: 262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1033.2ms, 30 PlacesBefore, 24 PlacesAfterwards, 18 TransitionsBefore, 16 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 411 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2ms, 25 PlacesBefore, 25 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.7ms, 28 PlacesBefore, 27 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 35 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.1ms, 35 PlacesBefore, 35 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 81 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.6ms, 41 PlacesBefore, 41 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.6ms, 49 PlacesBefore, 49 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 147 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.3ms, 55 PlacesBefore, 55 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 163 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.2ms, 57 PlacesBefore, 57 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 157 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5042.6ms, 60 PlacesBefore, 58 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 190 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3736.7ms, 72 PlacesBefore, 70 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 389 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19238.7ms, 75 PlacesBefore, 72 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 365 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 130, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.2ms, 77 PlacesBefore, 75 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.3ms, 78 PlacesBefore, 78 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13194.5ms, 76 PlacesBefore, 59 PlacesAfterwards, 25 TransitionsBefore, 23 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 17 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 43 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 66291.9ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4379.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7908.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 82 SDtfs, 62 SDslu, 39 SDs, 0 SdLazy, 929 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1677.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2827.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=11, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 67.1ms SsaConstructionTime, 473.9ms SatisfiabilityAnalysisTime, 2638.0ms InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 2197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...