/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/mix011_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:18:22,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:18:22,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:18:22,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:18:22,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:18:22,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:18:22,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:18:22,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:18:22,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:18:22,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:18:22,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:18:22,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:18:22,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:18:22,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:18:22,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:18:22,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:18:22,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:18:22,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:18:22,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:18:22,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:18:22,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:18:22,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:18:22,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:18:22,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:18:22,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 14:18:22,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 14:18:22,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 14:18:22,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 14:18:22,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 14:18:22,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 14:18:22,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:18:22,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:18:22,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:18:22,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:18:22,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:18:22,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:18:22,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:18:22,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:18:22,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:18:22,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:18:22,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:18:22,249 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 14:18:22,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:18:22,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:18:22,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:18:22,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:18:22,283 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:18:22,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:18:22,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:18:22,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:18:22,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:18:22,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:18:22,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:18:22,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:18:22,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:18:22,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:18:22,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:18:22,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:18:22,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:18:22,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:18:22,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:18:22,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:18:22,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:18:22,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:18:22,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:18:22,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:18:22,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:18:22,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:18:22,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:18:22,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:18:22,574 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:18:22,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_pso.opt.i [2021-03-25 14:18:22,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db89e6496/feba817442f445e7a6080e8fa2f28fa7/FLAGbb819729c [2021-03-25 14:18:23,218 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:18:23,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_pso.opt.i [2021-03-25 14:18:23,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db89e6496/feba817442f445e7a6080e8fa2f28fa7/FLAGbb819729c [2021-03-25 14:18:23,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db89e6496/feba817442f445e7a6080e8fa2f28fa7 [2021-03-25 14:18:23,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:18:23,610 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:18:23,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:18:23,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:18:23,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:18:23,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:18:23" (1/1) ... [2021-03-25 14:18:23,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1908953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:23, skipping insertion in model container [2021-03-25 14:18:23,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:18:23" (1/1) ... [2021-03-25 14:18:23,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:18:23,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:18:23,812 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/mix011_pso.opt.i[948,961] [2021-03-25 14:18:23,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:18:23,954 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:18:23,963 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/mix011_pso.opt.i[948,961] [2021-03-25 14:18:24,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:18:24,093 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:18:24,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24 WrapperNode [2021-03-25 14:18:24,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:18:24,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:18:24,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:18:24,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:18:24,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:18:24,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:18:24,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:18:24,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:18:24,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (1/1) ... [2021-03-25 14:18:24,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:18:24,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:18:24,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:18:24,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:18:24,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (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 14:18:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:18:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:18:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:18:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:18:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:18:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:18:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:18:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:18:24,321 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 14:18:26,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:18:26,370 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:18:26,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:18:26 BoogieIcfgContainer [2021-03-25 14:18:26,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:18:26,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:18:26,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:18:26,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:18:26,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:18:23" (1/3) ... [2021-03-25 14:18:26,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6c293d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:18:26, skipping insertion in model container [2021-03-25 14:18:26,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:18:24" (2/3) ... [2021-03-25 14:18:26,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6c293d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:18:26, skipping insertion in model container [2021-03-25 14:18:26,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:18:26" (3/3) ... [2021-03-25 14:18:26,380 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_pso.opt.i [2021-03-25 14:18:26,386 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:18:26,389 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:18:26,390 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:18:26,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,438 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,442 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,442 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,453 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,453 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,453 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,456 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,456 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,456 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,456 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,464 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,465 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,465 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,465 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,494 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:18:26,505 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:18:26,521 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 14:18:26,544 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:18:26,544 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:18:26,544 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:18:26,544 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:18:26,545 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:18:26,545 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:18:26,545 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:18:26,545 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:18:26,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-03-25 14:18:26,586 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-25 14:18:26,587 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:18:26,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-25 14:18:26,590 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-03-25 14:18:26,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-03-25 14:18:26,596 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:26,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-25 14:18:26,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-25 14:18:26,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 207 flow [2021-03-25 14:18:26,627 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-25 14:18:26,627 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:18:26,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-25 14:18:26,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 1750 [2021-03-25 14:18:27,856 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:18:28,252 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 14:18:28,423 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:18:29,655 INFO L154 LiptonReduction]: Checked pairs total: 2346 [2021-03-25 14:18:29,655 INFO L156 LiptonReduction]: Total number of compositions: 67 [2021-03-25 14:18:29,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3064 [2021-03-25 14:18:29,671 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-25 14:18:29,672 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:18:29,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:29,672 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:29,673 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:29,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:29,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1531033386, now seen corresponding path program 1 times [2021-03-25 14:18:29,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:29,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243963949] [2021-03-25 14:18:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:29,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:29,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:29,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:29,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:29,948 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 14:18:29,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243963949] [2021-03-25 14:18:29,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:29,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:18:29,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044750841] [2021-03-25 14:18:29,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:18:29,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:29,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:18:29,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:18:29,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 169 [2021-03-25 14:18:29,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 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 14:18:29,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:29,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 169 [2021-03-25 14:18:29,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:30,040 INFO L129 PetriNetUnfolder]: 13/100 cut-off events. [2021-03-25 14:18:30,040 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:18:30,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 100 events. 13/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 368 event pairs, 5 based on Foata normal form. 8/100 useless extension candidates. Maximal degree in co-relation 119. Up to 25 conditions per place. [2021-03-25 14:18:30,043 INFO L132 encePairwiseOnDemand]: 165/169 looper letters, 6 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2021-03-25 14:18:30,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 105 flow [2021-03-25 14:18:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:18:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:18:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2021-03-25 14:18:30,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.903353057199211 [2021-03-25 14:18:30,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 458 transitions. [2021-03-25 14:18:30,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 458 transitions. [2021-03-25 14:18:30,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:30,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 458 transitions. [2021-03-25 14:18:30,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 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 14:18:30,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 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 14:18:30,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 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 14:18:30,088 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 3 states and 458 transitions. [2021-03-25 14:18:30,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 105 flow [2021-03-25 14:18:30,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 102 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:18:30,092 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2021-03-25 14:18:30,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-25 14:18:30,094 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-25 14:18:30,094 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:30,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-25 14:18:30,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-25 14:18:30,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-03-25 14:18:30,104 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-03-25 14:18:30,104 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:18:30,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:18:30,105 INFO L142 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-25 14:18:31,504 INFO L154 LiptonReduction]: Checked pairs total: 1470 [2021-03-25 14:18:31,504 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 14:18:31,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1410 [2021-03-25 14:18:31,505 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 60 flow [2021-03-25 14:18:31,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 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 14:18:31,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:31,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:31,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:18:31,506 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:31,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:31,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1534991081, now seen corresponding path program 1 times [2021-03-25 14:18:31,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:31,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971662482] [2021-03-25 14:18:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:31,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:31,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:31,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:31,604 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:18:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:18:31,620 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:18:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:18:31,625 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 14:18:31,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971662482] [2021-03-25 14:18:31,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:31,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:18:31,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883207773] [2021-03-25 14:18:31,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:18:31,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:31,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:18:31,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:18:31,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 182 [2021-03-25 14:18:31,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 60 flow. Second operand has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 0 states have call successors, (0), 0 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 14:18:31,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:31,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 182 [2021-03-25 14:18:31,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:31,753 INFO L129 PetriNetUnfolder]: 105/255 cut-off events. [2021-03-25 14:18:31,753 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:18:31,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 255 events. 105/255 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1261 event pairs, 27 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 444. Up to 61 conditions per place. [2021-03-25 14:18:31,757 INFO L132 encePairwiseOnDemand]: 174/182 looper letters, 9 selfloop transitions, 6 changer transitions 16/46 dead transitions. [2021-03-25 14:18:31,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 46 transitions, 164 flow [2021-03-25 14:18:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:18:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:18:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1013 transitions. [2021-03-25 14:18:31,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7951334379905809 [2021-03-25 14:18:31,761 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1013 transitions. [2021-03-25 14:18:31,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1013 transitions. [2021-03-25 14:18:31,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:31,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1013 transitions. [2021-03-25 14:18:31,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 144.71428571428572) internal successors, (1013), 7 states have internal predecessors, (1013), 0 states have call successors, (0), 0 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 14:18:31,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 182.0) internal successors, (1456), 8 states have internal predecessors, (1456), 0 states have call successors, (0), 0 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 14:18:31,767 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 182.0) internal successors, (1456), 8 states have internal predecessors, (1456), 0 states have call successors, (0), 0 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 14:18:31,767 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 60 flow. Second operand 7 states and 1013 transitions. [2021-03-25 14:18:31,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 46 transitions, 164 flow [2021-03-25 14:18:31,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 46 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:18:31,768 INFO L241 Difference]: Finished difference. Result has 43 places, 28 transitions, 106 flow [2021-03-25 14:18:31,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=106, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2021-03-25 14:18:31,769 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -7 predicate places. [2021-03-25 14:18:31,769 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:31,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 28 transitions, 106 flow [2021-03-25 14:18:31,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 28 transitions, 106 flow [2021-03-25 14:18:31,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 106 flow [2021-03-25 14:18:31,792 INFO L129 PetriNetUnfolder]: 35/121 cut-off events. [2021-03-25 14:18:31,792 INFO L130 PetriNetUnfolder]: For 42/47 co-relation queries the response was YES. [2021-03-25 14:18:31,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 121 events. 35/121 cut-off events. For 42/47 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 549 event pairs, 18 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 265. Up to 58 conditions per place. [2021-03-25 14:18:31,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-25 14:18:32,486 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-25 14:18:32,630 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 14:18:32,979 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-25 14:18:33,145 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 14:18:33,158 INFO L154 LiptonReduction]: Checked pairs total: 522 [2021-03-25 14:18:33,158 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:18:33,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1389 [2021-03-25 14:18:33,159 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 102 flow [2021-03-25 14:18:33,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 0 states have call successors, (0), 0 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 14:18:33,160 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:33,160 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:33,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:18:33,161 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:33,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:33,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1863936857, now seen corresponding path program 1 times [2021-03-25 14:18:33,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:33,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467114192] [2021-03-25 14:18:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:33,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:33,272 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 14:18:33,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467114192] [2021-03-25 14:18:33,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:33,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:18:33,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598592156] [2021-03-25 14:18:33,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:18:33,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:33,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:18:33,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:18:33,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 184 [2021-03-25 14:18:33,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 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 14:18:33,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:33,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 184 [2021-03-25 14:18:33,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:33,309 INFO L129 PetriNetUnfolder]: 26/92 cut-off events. [2021-03-25 14:18:33,309 INFO L130 PetriNetUnfolder]: For 70/76 co-relation queries the response was YES. [2021-03-25 14:18:33,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 92 events. 26/92 cut-off events. For 70/76 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 345 event pairs, 12 based on Foata normal form. 2/88 useless extension candidates. Maximal degree in co-relation 223. Up to 45 conditions per place. [2021-03-25 14:18:33,310 INFO L132 encePairwiseOnDemand]: 181/184 looper letters, 1 selfloop transitions, 3 changer transitions 0/26 dead transitions. [2021-03-25 14:18:33,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 26 transitions, 110 flow [2021-03-25 14:18:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:18:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:18:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2021-03-25 14:18:33,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8822463768115942 [2021-03-25 14:18:33,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 487 transitions. [2021-03-25 14:18:33,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 487 transitions. [2021-03-25 14:18:33,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:33,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 487 transitions. [2021-03-25 14:18:33,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 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 14:18:33,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 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 14:18:33,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 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 14:18:33,315 INFO L185 Difference]: Start difference. First operand has 37 places, 26 transitions, 102 flow. Second operand 3 states and 487 transitions. [2021-03-25 14:18:33,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 26 transitions, 110 flow [2021-03-25 14:18:33,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 26 transitions, 100 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 14:18:33,318 INFO L241 Difference]: Finished difference. Result has 37 places, 26 transitions, 103 flow [2021-03-25 14:18:33,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=37, PETRI_TRANSITIONS=26} [2021-03-25 14:18:33,318 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -13 predicate places. [2021-03-25 14:18:33,318 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:33,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 26 transitions, 103 flow [2021-03-25 14:18:33,319 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 26 transitions, 103 flow [2021-03-25 14:18:33,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 26 transitions, 103 flow [2021-03-25 14:18:33,335 INFO L129 PetriNetUnfolder]: 26/95 cut-off events. [2021-03-25 14:18:33,335 INFO L130 PetriNetUnfolder]: For 38/40 co-relation queries the response was YES. [2021-03-25 14:18:33,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 95 events. 26/95 cut-off events. For 38/40 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 390 event pairs, 12 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 207. Up to 45 conditions per place. [2021-03-25 14:18:33,337 INFO L142 LiptonReduction]: Number of co-enabled transitions 262 [2021-03-25 14:18:33,339 INFO L154 LiptonReduction]: Checked pairs total: 186 [2021-03-25 14:18:33,339 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:18:33,339 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 14:18:33,342 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 103 flow [2021-03-25 14:18:33,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 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 14:18:33,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:33,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:33,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:18:33,343 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:33,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:33,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1276166319, now seen corresponding path program 1 times [2021-03-25 14:18:33,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:33,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428773486] [2021-03-25 14:18:33,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:33,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:33,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:33,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:18:33,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:18:33,461 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 14:18:33,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428773486] [2021-03-25 14:18:33,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:33,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:18:33,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191568522] [2021-03-25 14:18:33,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:18:33,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:33,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:18:33,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:18:33,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 184 [2021-03-25 14:18:33,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 145.5) internal successors, (582), 4 states have internal predecessors, (582), 0 states have call successors, (0), 0 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 14:18:33,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:33,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 184 [2021-03-25 14:18:33,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:33,526 INFO L129 PetriNetUnfolder]: 38/146 cut-off events. [2021-03-25 14:18:33,526 INFO L130 PetriNetUnfolder]: For 87/102 co-relation queries the response was YES. [2021-03-25 14:18:33,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 146 events. 38/146 cut-off events. For 87/102 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 668 event pairs, 16 based on Foata normal form. 7/149 useless extension candidates. Maximal degree in co-relation 396. Up to 61 conditions per place. [2021-03-25 14:18:33,527 INFO L132 encePairwiseOnDemand]: 179/184 looper letters, 11 selfloop transitions, 7 changer transitions 2/34 dead transitions. [2021-03-25 14:18:33,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 34 transitions, 178 flow [2021-03-25 14:18:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:18:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:18:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 593 transitions. [2021-03-25 14:18:33,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8057065217391305 [2021-03-25 14:18:33,529 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 593 transitions. [2021-03-25 14:18:33,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 593 transitions. [2021-03-25 14:18:33,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:33,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 593 transitions. [2021-03-25 14:18:33,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.25) internal successors, (593), 4 states have internal predecessors, (593), 0 states have call successors, (0), 0 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 14:18:33,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 0 states have call successors, (0), 0 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 14:18:33,533 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 0 states have call successors, (0), 0 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 14:18:33,534 INFO L185 Difference]: Start difference. First operand has 37 places, 26 transitions, 103 flow. Second operand 4 states and 593 transitions. [2021-03-25 14:18:33,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 34 transitions, 178 flow [2021-03-25 14:18:33,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:18:33,537 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 131 flow [2021-03-25 14:18:33,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-25 14:18:33,537 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2021-03-25 14:18:33,537 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:33,538 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 131 flow [2021-03-25 14:18:33,538 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 131 flow [2021-03-25 14:18:33,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 131 flow [2021-03-25 14:18:33,557 INFO L129 PetriNetUnfolder]: 24/115 cut-off events. [2021-03-25 14:18:33,558 INFO L130 PetriNetUnfolder]: For 105/111 co-relation queries the response was YES. [2021-03-25 14:18:33,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 115 events. 24/115 cut-off events. For 105/111 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 527 event pairs, 15 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 260. Up to 50 conditions per place. [2021-03-25 14:18:33,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 296 [2021-03-25 14:18:33,624 INFO L154 LiptonReduction]: Checked pairs total: 442 [2021-03-25 14:18:33,624 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:18:33,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-25 14:18:33,625 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 137 flow [2021-03-25 14:18:33,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.5) internal successors, (582), 4 states have internal predecessors, (582), 0 states have call successors, (0), 0 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 14:18:33,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:33,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:33,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:18:33,626 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:33,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1874421712, now seen corresponding path program 1 times [2021-03-25 14:18:33,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:33,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286264792] [2021-03-25 14:18:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:33,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:33,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:33,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:33,744 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 14:18:33,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286264792] [2021-03-25 14:18:33,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:33,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:18:33,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464442140] [2021-03-25 14:18:33,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:18:33,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:33,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:18:33,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:18:33,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 186 [2021-03-25 14:18:33,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 137 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 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 14:18:33,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:33,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 186 [2021-03-25 14:18:33,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:33,842 INFO L129 PetriNetUnfolder]: 232/518 cut-off events. [2021-03-25 14:18:33,842 INFO L130 PetriNetUnfolder]: For 199/205 co-relation queries the response was YES. [2021-03-25 14:18:33,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 518 events. 232/518 cut-off events. For 199/205 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 3400 event pairs, 96 based on Foata normal form. 42/464 useless extension candidates. Maximal degree in co-relation 1136. Up to 354 conditions per place. [2021-03-25 14:18:33,845 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 10 selfloop transitions, 8 changer transitions 0/40 dead transitions. [2021-03-25 14:18:33,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 195 flow [2021-03-25 14:18:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:18:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:18:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 780 transitions. [2021-03-25 14:18:33,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8387096774193549 [2021-03-25 14:18:33,847 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 780 transitions. [2021-03-25 14:18:33,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 780 transitions. [2021-03-25 14:18:33,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:33,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 780 transitions. [2021-03-25 14:18:33,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.0) internal successors, (780), 5 states have internal predecessors, (780), 0 states have call successors, (0), 0 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 14:18:33,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 14:18:33,852 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 14:18:33,852 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 137 flow. Second operand 5 states and 780 transitions. [2021-03-25 14:18:33,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 195 flow [2021-03-25 14:18:33,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 191 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-25 14:18:33,857 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 193 flow [2021-03-25 14:18:33,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=193, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2021-03-25 14:18:33,857 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-25 14:18:33,857 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:33,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 36 transitions, 193 flow [2021-03-25 14:18:33,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 36 transitions, 193 flow [2021-03-25 14:18:33,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 193 flow [2021-03-25 14:18:33,897 INFO L129 PetriNetUnfolder]: 168/414 cut-off events. [2021-03-25 14:18:33,897 INFO L130 PetriNetUnfolder]: For 427/509 co-relation queries the response was YES. [2021-03-25 14:18:33,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1215 conditions, 414 events. 168/414 cut-off events. For 427/509 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 2747 event pairs, 73 based on Foata normal form. 5/382 useless extension candidates. Maximal degree in co-relation 1196. Up to 252 conditions per place. [2021-03-25 14:18:33,902 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-25 14:18:33,912 INFO L154 LiptonReduction]: Checked pairs total: 268 [2021-03-25 14:18:33,913 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:18:33,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-25 14:18:33,915 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 35 transitions, 187 flow [2021-03-25 14:18:33,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 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 14:18:33,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:33,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:33,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:18:33,915 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:33,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:33,916 INFO L82 PathProgramCache]: Analyzing trace with hash -402590554, now seen corresponding path program 1 times [2021-03-25 14:18:33,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:33,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052372641] [2021-03-25 14:18:33,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:34,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:34,020 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 14:18:34,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052372641] [2021-03-25 14:18:34,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:34,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:18:34,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748951837] [2021-03-25 14:18:34,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:18:34,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:34,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:18:34,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:18:34,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 186 [2021-03-25 14:18:34,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 187 flow. Second operand has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 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 14:18:34,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:34,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 186 [2021-03-25 14:18:34,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:34,109 INFO L129 PetriNetUnfolder]: 147/364 cut-off events. [2021-03-25 14:18:34,109 INFO L130 PetriNetUnfolder]: For 434/633 co-relation queries the response was YES. [2021-03-25 14:18:34,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1266 conditions, 364 events. 147/364 cut-off events. For 434/633 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2154 event pairs, 15 based on Foata normal form. 79/408 useless extension candidates. Maximal degree in co-relation 1245. Up to 233 conditions per place. [2021-03-25 14:18:34,112 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 8 selfloop transitions, 11 changer transitions 4/44 dead transitions. [2021-03-25 14:18:34,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 44 transitions, 275 flow [2021-03-25 14:18:34,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:18:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:18:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 936 transitions. [2021-03-25 14:18:34,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8387096774193549 [2021-03-25 14:18:34,114 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 936 transitions. [2021-03-25 14:18:34,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 936 transitions. [2021-03-25 14:18:34,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:34,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 936 transitions. [2021-03-25 14:18:34,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 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 14:18:34,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 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 14:18:34,118 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 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 14:18:34,118 INFO L185 Difference]: Start difference. First operand has 47 places, 35 transitions, 187 flow. Second operand 6 states and 936 transitions. [2021-03-25 14:18:34,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 44 transitions, 275 flow [2021-03-25 14:18:34,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 269 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 14:18:34,123 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 245 flow [2021-03-25 14:18:34,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-03-25 14:18:34,123 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2021-03-25 14:18:34,123 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:34,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 38 transitions, 245 flow [2021-03-25 14:18:34,124 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 38 transitions, 245 flow [2021-03-25 14:18:34,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 38 transitions, 245 flow [2021-03-25 14:18:34,147 INFO L129 PetriNetUnfolder]: 73/239 cut-off events. [2021-03-25 14:18:34,147 INFO L130 PetriNetUnfolder]: For 514/546 co-relation queries the response was YES. [2021-03-25 14:18:34,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 239 events. 73/239 cut-off events. For 514/546 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1441 event pairs, 13 based on Foata normal form. 1/232 useless extension candidates. Maximal degree in co-relation 896. Up to 153 conditions per place. [2021-03-25 14:18:34,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 372 [2021-03-25 14:18:34,193 INFO L154 LiptonReduction]: Checked pairs total: 301 [2021-03-25 14:18:34,193 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:18:34,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-25 14:18:34,196 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 237 flow [2021-03-25 14:18:34,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 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 14:18:34,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:34,196 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 14:18:34,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:18:34,197 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:34,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1692153910, now seen corresponding path program 1 times [2021-03-25 14:18:34,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:34,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849267872] [2021-03-25 14:18:34,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:34,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:34,304 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 14:18:34,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849267872] [2021-03-25 14:18:34,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:34,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:18:34,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624564384] [2021-03-25 14:18:34,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:18:34,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:34,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:18:34,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:18:34,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 186 [2021-03-25 14:18:34,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 237 flow. Second operand has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 14:18:34,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:34,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 186 [2021-03-25 14:18:34,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:34,381 INFO L129 PetriNetUnfolder]: 103/250 cut-off events. [2021-03-25 14:18:34,381 INFO L130 PetriNetUnfolder]: For 599/796 co-relation queries the response was YES. [2021-03-25 14:18:34,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 250 events. 103/250 cut-off events. For 599/796 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1260 event pairs, 6 based on Foata normal form. 55/272 useless extension candidates. Maximal degree in co-relation 997. Up to 151 conditions per place. [2021-03-25 14:18:34,383 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 5 selfloop transitions, 11 changer transitions 4/41 dead transitions. [2021-03-25 14:18:34,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 41 transitions, 283 flow [2021-03-25 14:18:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:18:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:18:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1086 transitions. [2021-03-25 14:18:34,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8341013824884793 [2021-03-25 14:18:34,420 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1086 transitions. [2021-03-25 14:18:34,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1086 transitions. [2021-03-25 14:18:34,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:34,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1086 transitions. [2021-03-25 14:18:34,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:18:34,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 14:18:34,425 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 14:18:34,425 INFO L185 Difference]: Start difference. First operand has 51 places, 37 transitions, 237 flow. Second operand 7 states and 1086 transitions. [2021-03-25 14:18:34,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 41 transitions, 283 flow [2021-03-25 14:18:34,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 252 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 14:18:34,433 INFO L241 Difference]: Finished difference. Result has 53 places, 35 transitions, 218 flow [2021-03-25 14:18:34,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=218, PETRI_PLACES=53, PETRI_TRANSITIONS=35} [2021-03-25 14:18:34,433 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 3 predicate places. [2021-03-25 14:18:34,433 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:34,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 35 transitions, 218 flow [2021-03-25 14:18:34,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 35 transitions, 218 flow [2021-03-25 14:18:34,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 35 transitions, 218 flow [2021-03-25 14:18:34,450 INFO L129 PetriNetUnfolder]: 36/141 cut-off events. [2021-03-25 14:18:34,450 INFO L130 PetriNetUnfolder]: For 279/293 co-relation queries the response was YES. [2021-03-25 14:18:34,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 141 events. 36/141 cut-off events. For 279/293 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 679 event pairs, 5 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 502. Up to 52 conditions per place. [2021-03-25 14:18:34,452 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-25 14:18:34,715 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 14:18:34,854 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 14:18:35,228 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 14:18:35,379 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 14:18:35,386 INFO L154 LiptonReduction]: Checked pairs total: 338 [2021-03-25 14:18:35,386 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:18:35,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 953 [2021-03-25 14:18:35,387 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 32 transitions, 204 flow [2021-03-25 14:18:35,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 14:18:35,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:35,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:35,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:18:35,387 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1121264764, now seen corresponding path program 1 times [2021-03-25 14:18:35,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:35,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812497502] [2021-03-25 14:18:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:35,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:35,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:18:35,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:35,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:35,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:35,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:18:35,440 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 14:18:35,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812497502] [2021-03-25 14:18:35,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:35,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:18:35,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506633978] [2021-03-25 14:18:35,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:18:35,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:35,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:18:35,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:18:35,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2021-03-25 14:18:35,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 32 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 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 14:18:35,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:35,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2021-03-25 14:18:35,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:35,477 INFO L129 PetriNetUnfolder]: 56/178 cut-off events. [2021-03-25 14:18:35,478 INFO L130 PetriNetUnfolder]: For 627/662 co-relation queries the response was YES. [2021-03-25 14:18:35,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 178 events. 56/178 cut-off events. For 627/662 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 928 event pairs, 7 based on Foata normal form. 17/188 useless extension candidates. Maximal degree in co-relation 635. Up to 71 conditions per place. [2021-03-25 14:18:35,479 INFO L132 encePairwiseOnDemand]: 185/188 looper letters, 3 selfloop transitions, 1 changer transitions 8/33 dead transitions. [2021-03-25 14:18:35,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 33 transitions, 218 flow [2021-03-25 14:18:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:18:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:18:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 646 transitions. [2021-03-25 14:18:35,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8590425531914894 [2021-03-25 14:18:35,481 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 646 transitions. [2021-03-25 14:18:35,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 646 transitions. [2021-03-25 14:18:35,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:35,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 646 transitions. [2021-03-25 14:18:35,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 161.5) internal successors, (646), 4 states have internal predecessors, (646), 0 states have call successors, (0), 0 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 14:18:35,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 188.0) internal successors, (940), 5 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 14:18:35,484 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 188.0) internal successors, (940), 5 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 14:18:35,484 INFO L185 Difference]: Start difference. First operand has 49 places, 32 transitions, 204 flow. Second operand 4 states and 646 transitions. [2021-03-25 14:18:35,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 33 transitions, 218 flow [2021-03-25 14:18:35,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 33 transitions, 176 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-25 14:18:35,488 INFO L241 Difference]: Finished difference. Result has 47 places, 25 transitions, 127 flow [2021-03-25 14:18:35,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=25} [2021-03-25 14:18:35,488 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-25 14:18:35,488 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:35,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 25 transitions, 127 flow [2021-03-25 14:18:35,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 25 transitions, 127 flow [2021-03-25 14:18:35,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 25 transitions, 127 flow [2021-03-25 14:18:35,495 INFO L129 PetriNetUnfolder]: 6/36 cut-off events. [2021-03-25 14:18:35,495 INFO L130 PetriNetUnfolder]: For 97/103 co-relation queries the response was YES. [2021-03-25 14:18:35,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 36 events. 6/36 cut-off events. For 97/103 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 60 event pairs, 0 based on Foata normal form. 4/39 useless extension candidates. Maximal degree in co-relation 91. Up to 10 conditions per place. [2021-03-25 14:18:35,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 82 [2021-03-25 14:18:35,939 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 161 [2021-03-25 14:18:36,093 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-03-25 14:18:36,982 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 228 [2021-03-25 14:18:37,271 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-03-25 14:18:37,957 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 183 [2021-03-25 14:18:38,243 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-03-25 14:18:39,560 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 307 DAG size of output: 262 [2021-03-25 14:18:40,120 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-03-25 14:18:40,260 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-03-25 14:18:40,382 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-03-25 14:18:40,659 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 14:18:40,935 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 14:18:40,964 INFO L154 LiptonReduction]: Checked pairs total: 87 [2021-03-25 14:18:40,965 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 14:18:40,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5477 [2021-03-25 14:18:40,965 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 21 transitions, 119 flow [2021-03-25 14:18:40,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 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 14:18:40,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:40,966 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:40,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:18:40,966 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:40,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:40,966 INFO L82 PathProgramCache]: Analyzing trace with hash -797751967, now seen corresponding path program 1 times [2021-03-25 14:18:40,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:40,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562227580] [2021-03-25 14:18:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:18:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:18:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:18:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:18:41,156 INFO L142 QuantifierPusher]: treesize reduction 44, result has 79.6 percent of original size [2021-03-25 14:18:41,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-03-25 14:18:41,258 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size [2021-03-25 14:18:41,259 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-03-25 14:18:41,289 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-25 14:18:41,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 14:18:41,304 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 14:18:41,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562227580] [2021-03-25 14:18:41,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:18:41,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:18:41,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585295155] [2021-03-25 14:18:41,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:18:41,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:18:41,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:18:41,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:18:41,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 192 [2021-03-25 14:18:41,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 21 transitions, 119 flow. Second operand has 7 states, 7 states have (on average 132.85714285714286) internal successors, (930), 7 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 14:18:41,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:18:41,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 192 [2021-03-25 14:18:41,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:18:41,415 INFO L129 PetriNetUnfolder]: 10/37 cut-off events. [2021-03-25 14:18:41,415 INFO L130 PetriNetUnfolder]: For 115/119 co-relation queries the response was YES. [2021-03-25 14:18:41,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 37 events. 10/37 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 79 event pairs, 0 based on Foata normal form. 4/40 useless extension candidates. Maximal degree in co-relation 106. Up to 14 conditions per place. [2021-03-25 14:18:41,415 INFO L132 encePairwiseOnDemand]: 187/192 looper letters, 1 selfloop transitions, 4 changer transitions 1/22 dead transitions. [2021-03-25 14:18:41,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 22 transitions, 140 flow [2021-03-25 14:18:41,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:18:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:18:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 799 transitions. [2021-03-25 14:18:41,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6935763888888888 [2021-03-25 14:18:41,418 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 799 transitions. [2021-03-25 14:18:41,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 799 transitions. [2021-03-25 14:18:41,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:18:41,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 799 transitions. [2021-03-25 14:18:41,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.16666666666666) internal successors, (799), 6 states have internal predecessors, (799), 0 states have call successors, (0), 0 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 14:18:41,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 14:18:41,422 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 14:18:41,422 INFO L185 Difference]: Start difference. First operand has 40 places, 21 transitions, 119 flow. Second operand 6 states and 799 transitions. [2021-03-25 14:18:41,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 22 transitions, 140 flow [2021-03-25 14:18:41,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 22 transitions, 114 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-25 14:18:41,425 INFO L241 Difference]: Finished difference. Result has 39 places, 21 transitions, 110 flow [2021-03-25 14:18:41,426 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=110, PETRI_PLACES=39, PETRI_TRANSITIONS=21} [2021-03-25 14:18:41,426 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2021-03-25 14:18:41,426 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:18:41,426 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 21 transitions, 110 flow [2021-03-25 14:18:41,426 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 21 transitions, 110 flow [2021-03-25 14:18:41,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 21 transitions, 110 flow [2021-03-25 14:18:41,430 INFO L129 PetriNetUnfolder]: 6/28 cut-off events. [2021-03-25 14:18:41,431 INFO L130 PetriNetUnfolder]: For 40/41 co-relation queries the response was YES. [2021-03-25 14:18:41,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 28 events. 6/28 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 40 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-03-25 14:18:41,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 14:18:41,618 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:18:41,967 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:18:42,077 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:18:42,235 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:18:42,607 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-25 14:18:42,735 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 14:18:42,898 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:18:43,273 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:18:43,420 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:18:43,450 INFO L154 LiptonReduction]: Checked pairs total: 23 [2021-03-25 14:18:43,450 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:18:43,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2024 [2021-03-25 14:18:43,451 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 20 transitions, 114 flow [2021-03-25 14:18:43,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.85714285714286) internal successors, (930), 7 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 14:18:43,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:18:43,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:18:43,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:18:43,451 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:18:43,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:18:43,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1410489809, now seen corresponding path program 1 times [2021-03-25 14:18:43,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:18:43,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323873359] [2021-03-25 14:18:43,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:18:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:18:43,480 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:18:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:18:43,512 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:18:43,537 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:18:43,537 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:18:43,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:18:43,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:18:43 BasicIcfg [2021-03-25 14:18:43,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:18:43,598 INFO L168 Benchmark]: Toolchain (without parser) took 19987.70 ms. Allocated memory was 325.1 MB in the beginning and 654.3 MB in the end (delta: 329.3 MB). Free memory was 288.0 MB in the beginning and 549.7 MB in the end (delta: -261.7 MB). Peak memory consumption was 70.6 MB. Max. memory is 16.0 GB. [2021-03-25 14:18:43,598 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 325.1 MB. Free memory was 306.5 MB in the beginning and 306.4 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:18:43,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.11 ms. Allocated memory is still 325.1 MB. Free memory was 287.8 MB in the beginning and 283.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:18:43,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.90 ms. Allocated memory is still 325.1 MB. Free memory was 283.0 MB in the beginning and 279.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:18:43,599 INFO L168 Benchmark]: Boogie Preprocessor took 52.38 ms. Allocated memory is still 325.1 MB. Free memory was 279.9 MB in the beginning and 277.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:18:43,599 INFO L168 Benchmark]: RCFGBuilder took 2142.87 ms. Allocated memory is still 325.1 MB. Free memory was 277.8 MB in the beginning and 176.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. [2021-03-25 14:18:43,599 INFO L168 Benchmark]: TraceAbstraction took 17222.22 ms. Allocated memory was 325.1 MB in the beginning and 654.3 MB in the end (delta: 329.3 MB). Free memory was 175.0 MB in the beginning and 549.7 MB in the end (delta: -374.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:18:43,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 325.1 MB. Free memory was 306.5 MB in the beginning and 306.4 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 483.11 ms. Allocated memory is still 325.1 MB. Free memory was 287.8 MB in the beginning and 283.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 80.90 ms. Allocated memory is still 325.1 MB. Free memory was 283.0 MB in the beginning and 279.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 52.38 ms. Allocated memory is still 325.1 MB. Free memory was 279.9 MB in the beginning and 277.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2142.87 ms. Allocated memory is still 325.1 MB. Free memory was 277.8 MB in the beginning and 176.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 17222.22 ms. Allocated memory was 325.1 MB in the beginning and 654.3 MB in the end (delta: 329.3 MB). Free memory was 175.0 MB in the beginning and 549.7 MB in the end (delta: -374.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3047.3ms, 107 PlacesBefore, 50 PlacesAfterwards, 99 TransitionsBefore, 41 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 4 FixpointIterations, 28 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 2346 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1461, positive: 1406, positive conditional: 0, positive unconditional: 1406, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1142, positive: 1107, positive conditional: 0, positive unconditional: 1107, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1142, positive: 1107, positive conditional: 0, positive unconditional: 1107, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1142, positive: 1098, positive conditional: 0, positive unconditional: 1098, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 561, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 522, negative conditional: 0, negative unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1461, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1142, unknown conditional: 0, unknown unconditional: 1142] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1409.7ms, 47 PlacesBefore, 34 PlacesAfterwards, 38 TransitionsBefore, 25 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1470 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 514, positive: 417, positive conditional: 0, positive unconditional: 417, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 119, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 335, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 326, negative conditional: 0, negative unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 514, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 119, unknown conditional: 0, unknown unconditional: 119] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1388.3ms, 43 PlacesBefore, 37 PlacesAfterwards, 28 TransitionsBefore, 26 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 522 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 118, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.6ms, 37 PlacesBefore, 37 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 186 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 64, positive conditional: 0, positive unconditional: 64, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 76, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.4ms, 40 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 296 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 24, negative conditional: 0, negative unconditional: 24, 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: 198, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.7ms, 47 PlacesBefore, 47 PlacesAfterwards, 36 TransitionsBefore, 35 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 268 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 171, positive conditional: 0, positive unconditional: 171, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 183, positive: 161, positive conditional: 0, positive unconditional: 161, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.1ms, 51 PlacesBefore, 51 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 301 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 161, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 161, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 952.5ms, 53 PlacesBefore, 49 PlacesAfterwards, 35 TransitionsBefore, 32 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 199, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 199, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5476.3ms, 47 PlacesBefore, 40 PlacesAfterwards, 25 TransitionsBefore, 21 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 87 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2023.9ms, 39 PlacesBefore, 37 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, 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: 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: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L720] 0 _Bool main$tmp_guard0; [L721] 0 _Bool main$tmp_guard1; [L723] 0 int x = 0; [L725] 0 int y = 0; [L727] 0 int z = 0; [L728] 0 _Bool z$flush_delayed; [L729] 0 int z$mem_tmp; [L730] 0 _Bool z$r_buff0_thd0; [L731] 0 _Bool z$r_buff0_thd1; [L732] 0 _Bool z$r_buff0_thd2; [L733] 0 _Bool z$r_buff0_thd3; [L734] 0 _Bool z$r_buff1_thd0; [L735] 0 _Bool z$r_buff1_thd1; [L736] 0 _Bool z$r_buff1_thd2; [L737] 0 _Bool z$r_buff1_thd3; [L738] 0 _Bool z$read_delayed; [L739] 0 int *z$read_delayed_var; [L740] 0 int z$w_buff0; [L741] 0 _Bool z$w_buff0_used; [L742] 0 int z$w_buff1; [L743] 0 _Bool z$w_buff1_used; [L744] 0 _Bool weak$$choice0; [L745] 0 _Bool weak$$choice2; [L851] 0 pthread_t t290; [L852] FCALL, FORK 0 pthread_create(&t290, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] 0 pthread_t t291; [L854] FCALL, FORK 0 pthread_create(&t291, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 pthread_t t292; [L856] FCALL, FORK 0 pthread_create(&t292, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L798] 3 z$w_buff1 = z$w_buff0 [L799] 3 z$w_buff0 = 1 [L800] 3 z$w_buff1_used = z$w_buff0_used [L801] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L803] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L804] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L805] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L806] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L807] 3 z$r_buff0_thd3 = (_Bool)1 [L810] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L811] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L812] 3 z$flush_delayed = weak$$choice2 [L813] 3 z$mem_tmp = z [L814] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L814] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L814] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L815] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L815] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L816] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L816] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L817] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L817] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L818] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L819] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L820] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] 3 __unbuffered_p2_EAX = z [L822] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L822] 3 z = z$flush_delayed ? z$mem_tmp : z [L823] 3 z$flush_delayed = (_Bool)0 [L826] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 a = 1 [L752] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 x = 2 [L767] 2 y = 1 [L770] 2 __unbuffered_p1_EAX = y [L773] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L774] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L775] 2 z$flush_delayed = weak$$choice2 [L776] 2 z$mem_tmp = z [L777] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L777] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L778] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L778] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L779] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L779] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L780] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L780] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L781] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L782] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L783] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 __unbuffered_p1_EBX = z [L785] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L785] 2 z = z$flush_delayed ? z$mem_tmp : z [L786] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L829] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L829] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L830] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L830] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L831] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L832] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L833] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L833] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L836] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L838] 3 return 0; [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L759] 1 return 0; [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 2 return 0; [L858] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L863] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L864] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L865] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L865] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L866] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L869] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 16996.5ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 899.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3120.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 51 SDtfs, 40 SDslu, 36 SDs, 0 SdLazy, 163 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 206.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 302.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=6, InterpolantAutomatonStates: 45, 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: 33.5ms SsaConstructionTime, 388.0ms SatisfiabilityAnalysisTime, 796.5ms InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...