/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix019_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:24:42,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:24:42,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:24:42,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:24:42,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:24:42,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:24:42,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:24:42,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:24:42,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:24:42,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:24:42,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:24:42,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:24:42,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:24:42,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:24:42,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:24:42,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:24:42,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:24:42,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:24:42,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:24:42,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:24:42,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:24:42,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:24:42,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:24:42,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:24:42,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:24:42,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:24:42,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:24:42,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:24:42,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:24:42,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:24:42,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:24:42,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:24:42,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:24:42,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:24:42,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:24:42,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:24:42,932 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:24:42,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:24:42,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:24:42,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:24:42,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:24:42,987 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:24:42,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:24:42,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:24:42,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:24:42,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:24:42,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:24:42,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:24:42,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:24:42,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:24:42,992 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:24:42,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:24:42,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:24:42,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:24:42,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:24:42,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:24:42,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:24:42,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:24:42,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:24:42,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:24:42,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:24:42,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:24:42,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:24:42,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:24:42,996 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:24:42,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:24:42,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:24:42,997 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:24:43,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:24:43,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:24:43,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:24:43,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:24:43,408 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:24:43,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_pso.opt.i [2021-04-28 18:24:43,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31aee28ad/d30adc4102c94661aa79503fa16eb71b/FLAGdabf0a4de [2021-04-28 18:24:44,234 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:24:44,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_pso.opt.i [2021-04-28 18:24:44,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31aee28ad/d30adc4102c94661aa79503fa16eb71b/FLAGdabf0a4de [2021-04-28 18:24:44,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31aee28ad/d30adc4102c94661aa79503fa16eb71b [2021-04-28 18:24:44,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:24:44,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:24:44,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:24:44,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:24:44,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:24:44,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:24:44" (1/1) ... [2021-04-28 18:24:44,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfef25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:44, skipping insertion in model container [2021-04-28 18:24:44,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:24:44" (1/1) ... [2021-04-28 18:24:44,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:24:44,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:24:44,741 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/mix019_pso.opt.i[948,961] [2021-04-28 18:24:45,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:24:45,126 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:24:45,145 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/mix019_pso.opt.i[948,961] [2021-04-28 18:24:45,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:24:45,380 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:24:45,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45 WrapperNode [2021-04-28 18:24:45,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:24:45,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:24:45,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:24:45,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:24:45,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:24:45,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:24:45,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:24:45,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:24:45,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (1/1) ... [2021-04-28 18:24:45,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:24:45,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:24:45,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:24:45,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:24:45,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (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 [2021-04-28 18:24:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:24:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:24:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:24:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:24:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:24:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:24:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:24:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:24:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:24:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:24:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:24:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:24:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:24:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:24:45,684 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:24:48,061 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:24:48,061 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:24:48,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:24:48 BoogieIcfgContainer [2021-04-28 18:24:48,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:24:48,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:24:48,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:24:48,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:24:48,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:24:44" (1/3) ... [2021-04-28 18:24:48,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a9648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:24:48, skipping insertion in model container [2021-04-28 18:24:48,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:24:45" (2/3) ... [2021-04-28 18:24:48,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a9648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:24:48, skipping insertion in model container [2021-04-28 18:24:48,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:24:48" (3/3) ... [2021-04-28 18:24:48,072 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_pso.opt.i [2021-04-28 18:24:48,079 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:24:48,084 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:24:48,085 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:24:48,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,131 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,131 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,132 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,132 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,138 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,150 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,150 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,150 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,151 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,151 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,151 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,152 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,152 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,173 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,173 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,177 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,179 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,181 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,182 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,184 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:24:48,188 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:24:48,210 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 18:24:48,235 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:24:48,235 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:24:48,235 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:24:48,235 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:24:48,235 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:24:48,235 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:24:48,236 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:24:48,236 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:24:48,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 18:24:48,294 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 18:24:48,295 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:48,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 18:24:48,299 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 18:24:48,305 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-04-28 18:24:48,307 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:24:48,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 18:24:48,327 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 18:24:48,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-04-28 18:24:48,354 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 18:24:48,354 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:24:48,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 18:24:48,358 INFO L146 LiptonReduction]: Number of co-enabled transitions 1566 [2021-04-28 18:24:51,439 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:24:51,556 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:24:52,148 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:24:52,370 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:24:53,285 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:25:05,626 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:25:05,815 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:25:05,918 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:25:06,021 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:25:06,124 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:25:06,584 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:06,699 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:25:06,820 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:06,928 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:25:07,780 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:25:10,978 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:25:11,124 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:25:11,270 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:25:11,421 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:25:11,543 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:25:11,664 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:25:11,790 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:25:11,913 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:25:12,072 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:25:12,234 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:25:12,394 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:25:12,555 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:25:12,742 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:12,935 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:13,156 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:13,358 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:13,503 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:25:13,643 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:25:13,789 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:25:13,932 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:25:14,065 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:25:14,190 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:25:14,308 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:25:14,423 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:25:14,609 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:25:14,793 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:25:14,974 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:25:15,153 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:25:15,348 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:15,536 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:15,721 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:15,904 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:16,075 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:25:16,273 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:25:16,443 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:25:16,616 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:25:16,784 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:25:16,949 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:25:17,119 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:25:17,290 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:25:17,815 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:25:17,946 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:25:18,080 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:25:18,217 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:25:18,690 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 18:25:18,908 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 18:25:19,421 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 18:25:19,643 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 18:25:19,830 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:20,024 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:20,219 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:20,411 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:20,911 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 18:25:21,143 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 18:25:21,621 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 18:25:21,842 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 18:25:21,992 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:25:22,145 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:25:22,298 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:25:22,484 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:25:22,600 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:22,710 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:22,822 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:22,933 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:23,035 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:25:23,139 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:25:23,511 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:25:23,690 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:25:23,859 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:25:24,030 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:25:24,211 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:24,398 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:24,585 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:24,771 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:25:24,885 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:24,994 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:25,108 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:25,223 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:25:25,270 INFO L158 LiptonReduction]: Checked pairs total: 14147 [2021-04-28 18:25:25,271 INFO L160 LiptonReduction]: Total number of compositions: 239 [2021-04-28 18:25:25,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36970 [2021-04-28 18:25:25,299 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-04-28 18:25:25,299 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:25:25,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:25,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:25,300 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:25,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:25,308 INFO L82 PathProgramCache]: Analyzing trace with hash -50314455, now seen corresponding path program 1 times [2021-04-28 18:25:25,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:25,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326861502] [2021-04-28 18:25:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:25,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:25,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326861502] [2021-04-28 18:25:25,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:25,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:25:25,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755740813] [2021-04-28 18:25:25,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:25:25,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:25,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:25:25,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:25:25,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 337 [2021-04-28 18:25:25,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:25,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:25,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 337 [2021-04-28 18:25:25,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:25,834 INFO L129 PetriNetUnfolder]: 13/154 cut-off events. [2021-04-28 18:25:25,834 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:25:25,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 154 events. 13/154 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 876 event pairs, 1 based on Foata normal form. 15/65 useless extension candidates. Maximal degree in co-relation 136. Up to 25 conditions per place. [2021-04-28 18:25:25,839 INFO L132 encePairwiseOnDemand]: 321/337 looper letters, 6 selfloop transitions, 2 changer transitions 52/118 dead transitions. [2021-04-28 18:25:25,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 118 transitions, 281 flow [2021-04-28 18:25:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:25:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:25:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 847 transitions. [2021-04-28 18:25:25,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.837784371909001 [2021-04-28 18:25:25,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 847 transitions. [2021-04-28 18:25:25,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 847 transitions. [2021-04-28 18:25:25,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:25,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 847 transitions. [2021-04-28 18:25:25,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:25,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:25,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:25,908 INFO L185 Difference]: Start difference. First operand has 129 places, 120 transitions, 249 flow. Second operand 3 states and 847 transitions. [2021-04-28 18:25:25,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 118 transitions, 281 flow [2021-04-28 18:25:25,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 118 transitions, 278 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 18:25:25,916 INFO L241 Difference]: Finished difference. Result has 125 places, 64 transitions, 138 flow [2021-04-28 18:25:25,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=125, PETRI_TRANSITIONS=64} [2021-04-28 18:25:25,919 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -4 predicate places. [2021-04-28 18:25:25,920 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:25,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 64 transitions, 138 flow [2021-04-28 18:25:25,921 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 64 transitions, 138 flow [2021-04-28 18:25:25,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 64 transitions, 138 flow [2021-04-28 18:25:25,934 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 18:25:25,934 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:25:25,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 64 events. 0/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 305 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:25:25,936 INFO L146 LiptonReduction]: Number of co-enabled transitions 1856 [2021-04-28 18:25:26,214 INFO L158 LiptonReduction]: Checked pairs total: 2380 [2021-04-28 18:25:26,214 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:26,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 295 [2021-04-28 18:25:26,225 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 64 transitions, 138 flow [2021-04-28 18:25:26,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:26,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:26,226 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:26,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:25:26,227 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:26,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:26,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1107364417, now seen corresponding path program 1 times [2021-04-28 18:25:26,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:26,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080990927] [2021-04-28 18:25:26,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:26,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:25:26,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:25:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:26,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080990927] [2021-04-28 18:25:26,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:26,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:25:26,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617320465] [2021-04-28 18:25:26,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:25:26,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:26,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:25:26,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:25:26,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 337 [2021-04-28 18:25:26,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 64 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:26,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:26,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 337 [2021-04-28 18:25:26,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:27,038 INFO L129 PetriNetUnfolder]: 1121/3195 cut-off events. [2021-04-28 18:25:27,039 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:25:27,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5059 conditions, 3195 events. 1121/3195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 34794 event pairs, 365 based on Foata normal form. 0/1806 useless extension candidates. Maximal degree in co-relation 5050. Up to 1157 conditions per place. [2021-04-28 18:25:27,055 INFO L132 encePairwiseOnDemand]: 317/337 looper letters, 6 selfloop transitions, 6 changer transitions 44/90 dead transitions. [2021-04-28 18:25:27,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 90 transitions, 302 flow [2021-04-28 18:25:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:25:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:25:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-04-28 18:25:27,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.722057368941642 [2021-04-28 18:25:27,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-04-28 18:25:27,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-04-28 18:25:27,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:27,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-04-28 18:25:27,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,067 INFO L185 Difference]: Start difference. First operand has 73 places, 64 transitions, 138 flow. Second operand 3 states and 730 transitions. [2021-04-28 18:25:27,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 90 transitions, 302 flow [2021-04-28 18:25:27,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 90 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:25:27,070 INFO L241 Difference]: Finished difference. Result has 75 places, 46 transitions, 134 flow [2021-04-28 18:25:27,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=75, PETRI_TRANSITIONS=46} [2021-04-28 18:25:27,071 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -54 predicate places. [2021-04-28 18:25:27,071 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:27,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 46 transitions, 134 flow [2021-04-28 18:25:27,072 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 46 transitions, 134 flow [2021-04-28 18:25:27,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 46 transitions, 134 flow [2021-04-28 18:25:27,107 INFO L129 PetriNetUnfolder]: 48/225 cut-off events. [2021-04-28 18:25:27,107 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-04-28 18:25:27,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 225 events. 48/225 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1404 event pairs, 20 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 364. Up to 81 conditions per place. [2021-04-28 18:25:27,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 1130 [2021-04-28 18:25:27,283 INFO L158 LiptonReduction]: Checked pairs total: 377 [2021-04-28 18:25:27,283 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:27,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-04-28 18:25:27,285 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 134 flow [2021-04-28 18:25:27,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,286 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:27,286 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:27,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:25:27,287 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:27,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:27,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1373994747, now seen corresponding path program 1 times [2021-04-28 18:25:27,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:27,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668159778] [2021-04-28 18:25:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:27,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:27,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:27,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:25:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:25:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:27,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668159778] [2021-04-28 18:25:27,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:27,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:25:27,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779150997] [2021-04-28 18:25:27,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:25:27,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:27,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:25:27,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:25:27,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 337 [2021-04-28 18:25:27,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 134 flow. Second operand has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:27,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 337 [2021-04-28 18:25:27,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:27,449 INFO L129 PetriNetUnfolder]: 39/182 cut-off events. [2021-04-28 18:25:27,449 INFO L130 PetriNetUnfolder]: For 36/108 co-relation queries the response was YES. [2021-04-28 18:25:27,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 182 events. 39/182 cut-off events. For 36/108 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 982 event pairs, 6 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 383. Up to 68 conditions per place. [2021-04-28 18:25:27,451 INFO L132 encePairwiseOnDemand]: 330/337 looper letters, 9 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2021-04-28 18:25:27,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 50 transitions, 188 flow [2021-04-28 18:25:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:25:27,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:25:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 914 transitions. [2021-04-28 18:25:27,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6780415430267063 [2021-04-28 18:25:27,456 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 914 transitions. [2021-04-28 18:25:27,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 914 transitions. [2021-04-28 18:25:27,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:27,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 914 transitions. [2021-04-28 18:25:27,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 228.5) internal successors, (914), 4 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,465 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,465 INFO L185 Difference]: Start difference. First operand has 52 places, 46 transitions, 134 flow. Second operand 4 states and 914 transitions. [2021-04-28 18:25:27,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 50 transitions, 188 flow [2021-04-28 18:25:27,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 50 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:25:27,469 INFO L241 Difference]: Finished difference. Result has 56 places, 49 transitions, 170 flow [2021-04-28 18:25:27,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=56, PETRI_TRANSITIONS=49} [2021-04-28 18:25:27,469 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -73 predicate places. [2021-04-28 18:25:27,469 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:27,469 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 49 transitions, 170 flow [2021-04-28 18:25:27,470 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 49 transitions, 170 flow [2021-04-28 18:25:27,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 49 transitions, 170 flow [2021-04-28 18:25:27,500 INFO L129 PetriNetUnfolder]: 39/191 cut-off events. [2021-04-28 18:25:27,500 INFO L130 PetriNetUnfolder]: For 68/71 co-relation queries the response was YES. [2021-04-28 18:25:27,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 191 events. 39/191 cut-off events. For 68/71 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1124 event pairs, 18 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 360. Up to 68 conditions per place. [2021-04-28 18:25:27,505 INFO L146 LiptonReduction]: Number of co-enabled transitions 1228 [2021-04-28 18:25:27,703 INFO L158 LiptonReduction]: Checked pairs total: 419 [2021-04-28 18:25:27,704 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:27,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 235 [2021-04-28 18:25:27,706 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 170 flow [2021-04-28 18:25:27,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:27,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:27,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:25:27,707 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:27,708 INFO L82 PathProgramCache]: Analyzing trace with hash 829955336, now seen corresponding path program 1 times [2021-04-28 18:25:27,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:27,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244222381] [2021-04-28 18:25:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:27,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:27,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:27,798 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:25:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:25:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:27,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244222381] [2021-04-28 18:25:27,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:27,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:25:27,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803230212] [2021-04-28 18:25:27,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:25:27,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:27,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:25:27,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:25:27,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 337 [2021-04-28 18:25:27,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:27,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 337 [2021-04-28 18:25:27,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:27,895 INFO L129 PetriNetUnfolder]: 33/172 cut-off events. [2021-04-28 18:25:27,895 INFO L130 PetriNetUnfolder]: For 105/161 co-relation queries the response was YES. [2021-04-28 18:25:27,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 172 events. 33/172 cut-off events. For 105/161 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 937 event pairs, 13 based on Foata normal form. 7/116 useless extension candidates. Maximal degree in co-relation 391. Up to 60 conditions per place. [2021-04-28 18:25:27,897 INFO L132 encePairwiseOnDemand]: 330/337 looper letters, 7 selfloop transitions, 13 changer transitions 0/54 dead transitions. [2021-04-28 18:25:27,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 54 transitions, 240 flow [2021-04-28 18:25:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:25:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:25:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 916 transitions. [2021-04-28 18:25:27,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6795252225519288 [2021-04-28 18:25:27,901 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 916 transitions. [2021-04-28 18:25:27,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 916 transitions. [2021-04-28 18:25:27,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:27,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 916 transitions. [2021-04-28 18:25:27,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 229.0) internal successors, (916), 4 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,910 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:27,910 INFO L185 Difference]: Start difference. First operand has 56 places, 49 transitions, 170 flow. Second operand 4 states and 916 transitions. [2021-04-28 18:25:27,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 54 transitions, 240 flow [2021-04-28 18:25:27,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 54 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:25:27,914 INFO L241 Difference]: Finished difference. Result has 60 places, 53 transitions, 239 flow [2021-04-28 18:25:27,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=239, PETRI_PLACES=60, PETRI_TRANSITIONS=53} [2021-04-28 18:25:27,915 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -69 predicate places. [2021-04-28 18:25:27,915 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:27,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 53 transitions, 239 flow [2021-04-28 18:25:27,915 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 53 transitions, 239 flow [2021-04-28 18:25:27,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 53 transitions, 239 flow [2021-04-28 18:25:27,979 INFO L129 PetriNetUnfolder]: 33/175 cut-off events. [2021-04-28 18:25:27,979 INFO L130 PetriNetUnfolder]: For 142/146 co-relation queries the response was YES. [2021-04-28 18:25:27,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 175 events. 33/175 cut-off events. For 142/146 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1003 event pairs, 11 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 391. Up to 60 conditions per place. [2021-04-28 18:25:27,984 INFO L146 LiptonReduction]: Number of co-enabled transitions 1366 [2021-04-28 18:25:28,256 INFO L158 LiptonReduction]: Checked pairs total: 509 [2021-04-28 18:25:28,256 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:28,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 341 [2021-04-28 18:25:28,258 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 239 flow [2021-04-28 18:25:28,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:28,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:28,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:28,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:25:28,260 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1998721330, now seen corresponding path program 1 times [2021-04-28 18:25:28,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:28,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624107865] [2021-04-28 18:25:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:28,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:28,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:28,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:28,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:25:28,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:28,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:25:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:28,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624107865] [2021-04-28 18:25:28,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:28,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:25:28,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575364502] [2021-04-28 18:25:28,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:25:28,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:28,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:25:28,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:25:28,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 337 [2021-04-28 18:25:28,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 239 flow. Second operand has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:28,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:28,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 337 [2021-04-28 18:25:28,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:29,528 INFO L129 PetriNetUnfolder]: 5862/10017 cut-off events. [2021-04-28 18:25:29,528 INFO L130 PetriNetUnfolder]: For 602/629 co-relation queries the response was YES. [2021-04-28 18:25:29,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20457 conditions, 10017 events. 5862/10017 cut-off events. For 602/629 co-relation queries the response was YES. Maximal size of possible extension queue 2034. Compared 91671 event pairs, 2353 based on Foata normal form. 232/2953 useless extension candidates. Maximal degree in co-relation 20440. Up to 6316 conditions per place. [2021-04-28 18:25:29,622 INFO L132 encePairwiseOnDemand]: 318/337 looper letters, 28 selfloop transitions, 27 changer transitions 0/88 dead transitions. [2021-04-28 18:25:29,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 419 flow [2021-04-28 18:25:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:25:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:25:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1203 transitions. [2021-04-28 18:25:29,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.713946587537092 [2021-04-28 18:25:29,627 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1203 transitions. [2021-04-28 18:25:29,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1203 transitions. [2021-04-28 18:25:29,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:29,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1203 transitions. [2021-04-28 18:25:29,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 240.6) internal successors, (1203), 5 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:29,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 337.0) internal successors, (2022), 6 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:29,639 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 337.0) internal successors, (2022), 6 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:29,640 INFO L185 Difference]: Start difference. First operand has 60 places, 53 transitions, 239 flow. Second operand 5 states and 1203 transitions. [2021-04-28 18:25:29,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 419 flow [2021-04-28 18:25:29,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 417 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 18:25:29,652 INFO L241 Difference]: Finished difference. Result has 67 places, 78 transitions, 438 flow [2021-04-28 18:25:29,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=438, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2021-04-28 18:25:29,652 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -62 predicate places. [2021-04-28 18:25:29,653 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:29,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 78 transitions, 438 flow [2021-04-28 18:25:29,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 78 transitions, 438 flow [2021-04-28 18:25:29,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 78 transitions, 438 flow [2021-04-28 18:25:30,599 INFO L129 PetriNetUnfolder]: 5216/9083 cut-off events. [2021-04-28 18:25:30,599 INFO L130 PetriNetUnfolder]: For 2608/5575 co-relation queries the response was YES. [2021-04-28 18:25:30,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25786 conditions, 9083 events. 5216/9083 cut-off events. For 2608/5575 co-relation queries the response was YES. Maximal size of possible extension queue 1875. Compared 84794 event pairs, 2300 based on Foata normal form. 8/2709 useless extension candidates. Maximal degree in co-relation 25766. Up to 8153 conditions per place. [2021-04-28 18:25:30,760 INFO L146 LiptonReduction]: Number of co-enabled transitions 1940 [2021-04-28 18:25:31,768 INFO L158 LiptonReduction]: Checked pairs total: 810 [2021-04-28 18:25:31,768 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:31,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2116 [2021-04-28 18:25:31,770 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 78 transitions, 438 flow [2021-04-28 18:25:31,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:31,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:31,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:31,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:25:31,771 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:31,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:31,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1684790433, now seen corresponding path program 1 times [2021-04-28 18:25:31,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:31,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203542590] [2021-04-28 18:25:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:31,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:31,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:25:31,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:31,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:31,840 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:25:31,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:25:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:31,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203542590] [2021-04-28 18:25:31,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:31,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:25:31,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472574239] [2021-04-28 18:25:31,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:25:31,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:31,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:25:31,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:25:31,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 337 [2021-04-28 18:25:31,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 78 transitions, 438 flow. Second operand has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:31,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:31,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 337 [2021-04-28 18:25:31,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:32,999 INFO L129 PetriNetUnfolder]: 6912/11791 cut-off events. [2021-04-28 18:25:33,000 INFO L130 PetriNetUnfolder]: For 4301/43522 co-relation queries the response was YES. [2021-04-28 18:25:33,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33534 conditions, 11791 events. 6912/11791 cut-off events. For 4301/43522 co-relation queries the response was YES. Maximal size of possible extension queue 2685. Compared 110438 event pairs, 3232 based on Foata normal form. 136/3324 useless extension candidates. Maximal degree in co-relation 33512. Up to 10697 conditions per place. [2021-04-28 18:25:33,113 INFO L132 encePairwiseOnDemand]: 332/337 looper letters, 12 selfloop transitions, 10 changer transitions 0/81 dead transitions. [2021-04-28 18:25:33,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 497 flow [2021-04-28 18:25:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:25:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:25:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 915 transitions. [2021-04-28 18:25:33,117 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6787833827893175 [2021-04-28 18:25:33,117 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 915 transitions. [2021-04-28 18:25:33,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 915 transitions. [2021-04-28 18:25:33,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:33,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 915 transitions. [2021-04-28 18:25:33,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 228.75) internal successors, (915), 4 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:33,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:33,124 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:33,124 INFO L185 Difference]: Start difference. First operand has 67 places, 78 transitions, 438 flow. Second operand 4 states and 915 transitions. [2021-04-28 18:25:33,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 497 flow [2021-04-28 18:25:33,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 81 transitions, 497 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:25:33,160 INFO L241 Difference]: Finished difference. Result has 71 places, 78 transitions, 467 flow [2021-04-28 18:25:33,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=467, PETRI_PLACES=71, PETRI_TRANSITIONS=78} [2021-04-28 18:25:33,161 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -58 predicate places. [2021-04-28 18:25:33,161 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:33,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 78 transitions, 467 flow [2021-04-28 18:25:33,161 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 78 transitions, 467 flow [2021-04-28 18:25:33,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 78 transitions, 467 flow [2021-04-28 18:25:34,249 INFO L129 PetriNetUnfolder]: 7466/12777 cut-off events. [2021-04-28 18:25:34,250 INFO L130 PetriNetUnfolder]: For 3809/10702 co-relation queries the response was YES. [2021-04-28 18:25:34,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36304 conditions, 12777 events. 7466/12777 cut-off events. For 3809/10702 co-relation queries the response was YES. Maximal size of possible extension queue 2389. Compared 122172 event pairs, 3413 based on Foata normal form. 12/3701 useless extension candidates. Maximal degree in co-relation 36281. Up to 11651 conditions per place. [2021-04-28 18:25:34,463 INFO L146 LiptonReduction]: Number of co-enabled transitions 1938 [2021-04-28 18:25:34,982 INFO L158 LiptonReduction]: Checked pairs total: 810 [2021-04-28 18:25:34,982 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:34,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1821 [2021-04-28 18:25:34,984 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 78 transitions, 467 flow [2021-04-28 18:25:34,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:34,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:34,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:34,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:25:34,985 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:34,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:34,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1108087701, now seen corresponding path program 1 times [2021-04-28 18:25:34,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:34,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761530593] [2021-04-28 18:25:34,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:35,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:35,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:35,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:35,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:25:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:25:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:35,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761530593] [2021-04-28 18:25:35,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:35,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:25:35,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439154702] [2021-04-28 18:25:35,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:25:35,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:35,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:25:35,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:25:35,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 337 [2021-04-28 18:25:35,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 78 transitions, 467 flow. Second operand has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:35,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:35,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 337 [2021-04-28 18:25:35,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:36,773 INFO L129 PetriNetUnfolder]: 7332/13891 cut-off events. [2021-04-28 18:25:36,774 INFO L130 PetriNetUnfolder]: For 6905/171056 co-relation queries the response was YES. [2021-04-28 18:25:36,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52640 conditions, 13891 events. 7332/13891 cut-off events. For 6905/171056 co-relation queries the response was YES. Maximal size of possible extension queue 3399. Compared 144914 event pairs, 699 based on Foata normal form. 425/4539 useless extension candidates. Maximal degree in co-relation 52615. Up to 12407 conditions per place. [2021-04-28 18:25:36,900 INFO L132 encePairwiseOnDemand]: 318/337 looper letters, 20 selfloop transitions, 52 changer transitions 9/114 dead transitions. [2021-04-28 18:25:36,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 114 transitions, 824 flow [2021-04-28 18:25:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:25:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:25:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1687 transitions. [2021-04-28 18:25:37,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7151335311572701 [2021-04-28 18:25:37,045 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1687 transitions. [2021-04-28 18:25:37,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1687 transitions. [2021-04-28 18:25:37,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:37,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1687 transitions. [2021-04-28 18:25:37,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:37,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 337.0) internal successors, (2696), 8 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:37,056 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 337.0) internal successors, (2696), 8 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:37,056 INFO L185 Difference]: Start difference. First operand has 71 places, 78 transitions, 467 flow. Second operand 7 states and 1687 transitions. [2021-04-28 18:25:37,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 114 transitions, 824 flow [2021-04-28 18:25:37,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 114 transitions, 796 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-04-28 18:25:37,122 INFO L241 Difference]: Finished difference. Result has 78 places, 103 transitions, 776 flow [2021-04-28 18:25:37,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=776, PETRI_PLACES=78, PETRI_TRANSITIONS=103} [2021-04-28 18:25:37,123 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -51 predicate places. [2021-04-28 18:25:37,123 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:37,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 103 transitions, 776 flow [2021-04-28 18:25:37,124 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 103 transitions, 776 flow [2021-04-28 18:25:37,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 103 transitions, 776 flow [2021-04-28 18:25:38,212 INFO L129 PetriNetUnfolder]: 4521/9808 cut-off events. [2021-04-28 18:25:38,212 INFO L130 PetriNetUnfolder]: For 49769/189110 co-relation queries the response was YES. [2021-04-28 18:25:38,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41846 conditions, 9808 events. 4521/9808 cut-off events. For 49769/189110 co-relation queries the response was YES. Maximal size of possible extension queue 2568. Compared 113211 event pairs, 678 based on Foata normal form. 1/2733 useless extension candidates. Maximal degree in co-relation 41820. Up to 8633 conditions per place. [2021-04-28 18:25:38,342 INFO L146 LiptonReduction]: Number of co-enabled transitions 2380 [2021-04-28 18:25:38,767 INFO L158 LiptonReduction]: Checked pairs total: 1396 [2021-04-28 18:25:38,767 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:38,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1645 [2021-04-28 18:25:38,769 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 103 transitions, 776 flow [2021-04-28 18:25:38,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:38,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:38,769 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:25:38,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:25:38,770 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1180791443, now seen corresponding path program 1 times [2021-04-28 18:25:38,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:38,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557299137] [2021-04-28 18:25:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:38,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:38,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:38,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:38,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:38,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:38,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:25:38,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:38,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:25:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:38,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557299137] [2021-04-28 18:25:38,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:38,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:25:38,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056988974] [2021-04-28 18:25:38,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:25:38,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:38,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:25:38,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:25:38,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 337 [2021-04-28 18:25:38,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 103 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:38,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:38,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 337 [2021-04-28 18:25:38,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:40,104 INFO L129 PetriNetUnfolder]: 4128/9796 cut-off events. [2021-04-28 18:25:40,104 INFO L130 PetriNetUnfolder]: For 19116/489266 co-relation queries the response was YES. [2021-04-28 18:25:40,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50913 conditions, 9796 events. 4128/9796 cut-off events. For 19116/489266 co-relation queries the response was YES. Maximal size of possible extension queue 2601. Compared 117532 event pairs, 6 based on Foata normal form. 393/3175 useless extension candidates. Maximal degree in co-relation 50885. Up to 8555 conditions per place. [2021-04-28 18:25:40,164 INFO L132 encePairwiseOnDemand]: 318/337 looper letters, 5 selfloop transitions, 67 changer transitions 22/122 dead transitions. [2021-04-28 18:25:40,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 122 transitions, 1076 flow [2021-04-28 18:25:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:25:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:25:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2153 transitions. [2021-04-28 18:25:40,172 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.709858226178701 [2021-04-28 18:25:40,172 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2153 transitions. [2021-04-28 18:25:40,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2153 transitions. [2021-04-28 18:25:40,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:40,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2153 transitions. [2021-04-28 18:25:40,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 239.22222222222223) internal successors, (2153), 9 states have internal predecessors, (2153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:40,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 337.0) internal successors, (3370), 10 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:40,186 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 337.0) internal successors, (3370), 10 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:40,187 INFO L185 Difference]: Start difference. First operand has 78 places, 103 transitions, 776 flow. Second operand 9 states and 2153 transitions. [2021-04-28 18:25:40,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 122 transitions, 1076 flow [2021-04-28 18:25:41,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 122 transitions, 933 flow, removed 44 selfloop flow, removed 5 redundant places. [2021-04-28 18:25:41,469 INFO L241 Difference]: Finished difference. Result has 84 places, 98 transitions, 770 flow [2021-04-28 18:25:41,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=770, PETRI_PLACES=84, PETRI_TRANSITIONS=98} [2021-04-28 18:25:41,469 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -45 predicate places. [2021-04-28 18:25:41,469 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:41,469 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 98 transitions, 770 flow [2021-04-28 18:25:41,469 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 98 transitions, 770 flow [2021-04-28 18:25:41,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 98 transitions, 770 flow [2021-04-28 18:25:41,678 INFO L129 PetriNetUnfolder]: 1179/3277 cut-off events. [2021-04-28 18:25:41,678 INFO L130 PetriNetUnfolder]: For 25685/37557 co-relation queries the response was YES. [2021-04-28 18:25:41,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14063 conditions, 3277 events. 1179/3277 cut-off events. For 25685/37557 co-relation queries the response was YES. Maximal size of possible extension queue 1171. Compared 39136 event pairs, 4 based on Foata normal form. 1/834 useless extension candidates. Maximal degree in co-relation 14036. Up to 2376 conditions per place. [2021-04-28 18:25:41,719 INFO L146 LiptonReduction]: Number of co-enabled transitions 1836 [2021-04-28 18:25:42,144 INFO L158 LiptonReduction]: Checked pairs total: 1162 [2021-04-28 18:25:42,144 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:25:42,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-04-28 18:25:42,145 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 98 transitions, 770 flow [2021-04-28 18:25:42,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:42,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:42,147 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] [2021-04-28 18:25:42,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:25:42,147 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:42,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:42,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1943910861, now seen corresponding path program 1 times [2021-04-28 18:25:42,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:42,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51807759] [2021-04-28 18:25:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:25:42,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:42,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:25:42,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:42,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:25:42,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:25:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:25:42,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51807759] [2021-04-28 18:25:42,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:25:42,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:25:42,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587187299] [2021-04-28 18:25:42,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:25:42,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:25:42,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:25:42,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:25:42,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 337 [2021-04-28 18:25:42,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 98 transitions, 770 flow. Second operand has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:42,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:25:42,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 337 [2021-04-28 18:25:42,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:25:42,625 INFO L129 PetriNetUnfolder]: 1784/4815 cut-off events. [2021-04-28 18:25:42,625 INFO L130 PetriNetUnfolder]: For 40351/58532 co-relation queries the response was YES. [2021-04-28 18:25:42,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 4815 events. 1784/4815 cut-off events. For 40351/58532 co-relation queries the response was YES. Maximal size of possible extension queue 1767. Compared 57507 event pairs, 6 based on Foata normal form. 28/1321 useless extension candidates. Maximal degree in co-relation 20787. Up to 3564 conditions per place. [2021-04-28 18:25:42,648 INFO L132 encePairwiseOnDemand]: 334/337 looper letters, 3 selfloop transitions, 1 changer transitions 49/99 dead transitions. [2021-04-28 18:25:42,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 99 transitions, 786 flow [2021-04-28 18:25:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:25:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:25:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 878 transitions. [2021-04-28 18:25:42,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6513353115727003 [2021-04-28 18:25:42,652 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 878 transitions. [2021-04-28 18:25:42,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 878 transitions. [2021-04-28 18:25:42,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:25:42,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 878 transitions. [2021-04-28 18:25:42,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 219.5) internal successors, (878), 4 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:42,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:42,659 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:42,659 INFO L185 Difference]: Start difference. First operand has 82 places, 98 transitions, 770 flow. Second operand 4 states and 878 transitions. [2021-04-28 18:25:42,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 99 transitions, 786 flow [2021-04-28 18:25:43,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 99 transitions, 568 flow, removed 43 selfloop flow, removed 11 redundant places. [2021-04-28 18:25:43,929 INFO L241 Difference]: Finished difference. Result has 76 places, 50 transitions, 247 flow [2021-04-28 18:25:43,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=247, PETRI_PLACES=76, PETRI_TRANSITIONS=50} [2021-04-28 18:25:43,929 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -53 predicate places. [2021-04-28 18:25:43,929 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:25:43,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 50 transitions, 247 flow [2021-04-28 18:25:43,930 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 50 transitions, 247 flow [2021-04-28 18:25:43,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 247 flow [2021-04-28 18:25:43,960 INFO L129 PetriNetUnfolder]: 90/273 cut-off events. [2021-04-28 18:25:43,960 INFO L130 PetriNetUnfolder]: For 287/287 co-relation queries the response was YES. [2021-04-28 18:25:43,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 273 events. 90/273 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1514 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 769. Up to 109 conditions per place. [2021-04-28 18:25:43,964 INFO L146 LiptonReduction]: Number of co-enabled transitions 504 [2021-04-28 18:25:44,845 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 161 [2021-04-28 18:25:45,090 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-04-28 18:25:47,025 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 330 DAG size of output: 228 [2021-04-28 18:25:47,588 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-04-28 18:25:47,598 INFO L158 LiptonReduction]: Checked pairs total: 419 [2021-04-28 18:25:47,598 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 18:25:47,598 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3669 [2021-04-28 18:25:47,600 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 50 transitions, 250 flow [2021-04-28 18:25:47,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:25:47,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:25:47,600 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] [2021-04-28 18:25:47,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:25:47,601 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:25:47,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:25:47,601 INFO L82 PathProgramCache]: Analyzing trace with hash -82615777, now seen corresponding path program 1 times [2021-04-28 18:25:47,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:25:47,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814090532] [2021-04-28 18:25:47,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:25:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:25:47,688 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:25:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:25:47,800 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:25:47,839 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:25:47,839 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:25:47,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:25:47,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:25:47 BasicIcfg [2021-04-28 18:25:47,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:25:47,951 INFO L168 Benchmark]: Toolchain (without parser) took 63464.07 ms. Allocated memory was 302.0 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 277.2 MB in the beginning and 880.8 MB in the end (delta: -603.6 MB). Peak memory consumption was 654.0 MB. Max. memory is 16.0 GB. [2021-04-28 18:25:47,951 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:25:47,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.98 ms. Allocated memory is still 302.0 MB. Free memory was 273.9 MB in the beginning and 279.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.0 GB. [2021-04-28 18:25:47,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.16 ms. Allocated memory is still 302.0 MB. Free memory was 279.5 MB in the beginning and 277.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:25:47,953 INFO L168 Benchmark]: Boogie Preprocessor took 77.11 ms. Allocated memory is still 302.0 MB. Free memory was 277.4 MB in the beginning and 274.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:25:47,953 INFO L168 Benchmark]: RCFGBuilder took 2470.64 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.2 MB in the beginning and 229.2 MB in the end (delta: 45.0 MB). Peak memory consumption was 171.9 MB. Max. memory is 16.0 GB. [2021-04-28 18:25:47,954 INFO L168 Benchmark]: TraceAbstraction took 59884.93 ms. Allocated memory was 362.8 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 229.2 MB in the beginning and 880.8 MB in the end (delta: -651.6 MB). Peak memory consumption was 542.7 MB. Max. memory is 16.0 GB. [2021-04-28 18:25:47,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 859.98 ms. Allocated memory is still 302.0 MB. Free memory was 273.9 MB in the beginning and 279.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 128.16 ms. Allocated memory is still 302.0 MB. Free memory was 279.5 MB in the beginning and 277.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 77.11 ms. Allocated memory is still 302.0 MB. Free memory was 277.4 MB in the beginning and 274.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2470.64 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.2 MB in the beginning and 229.2 MB in the end (delta: 45.0 MB). Peak memory consumption was 171.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 59884.93 ms. Allocated memory was 362.8 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 229.2 MB in the beginning and 880.8 MB in the end (delta: -651.6 MB). Peak memory consumption was 542.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36944.1ms, 103 PlacesBefore, 129 PlacesAfterwards, 95 TransitionsBefore, 120 TransitionsAfterwards, 1566 CoEnabledTransitionPairs, 8 FixpointIterations, 140 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 239 TotalNumberOfCompositions, 14147 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4619, positive: 4376, positive conditional: 4376, positive unconditional: 0, negative: 243, negative conditional: 243, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1976, positive: 1905, positive conditional: 0, positive unconditional: 1905, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1976, positive: 1905, positive conditional: 0, positive unconditional: 1905, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1976, positive: 1882, positive conditional: 0, positive unconditional: 1882, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 94, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1163, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 1067, negative conditional: 0, negative unconditional: 1067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4619, positive: 2471, positive conditional: 2471, positive unconditional: 0, negative: 172, negative conditional: 172, negative unconditional: 0, unknown: 1976, unknown conditional: 1976, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1976, Positive cache size: 1905, Positive conditional cache size: 1905, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 293.1ms, 125 PlacesBefore, 73 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 394, positive: 318, positive conditional: 318, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 95, positive conditional: 23, positive unconditional: 72, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 95, positive conditional: 23, positive unconditional: 72, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 250, negative conditional: 41, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 394, positive: 223, positive conditional: 223, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 116, unknown conditional: 116, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2092, Positive cache size: 2000, Positive conditional cache size: 2000, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.8ms, 75 PlacesBefore, 52 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 172, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 28, positive conditional: 1, positive unconditional: 27, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 28, positive conditional: 1, positive unconditional: 27, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 141, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 172, positive: 131, positive conditional: 131, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2127, Positive cache size: 2028, Positive conditional cache size: 2028, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 233.9ms, 56 PlacesBefore, 56 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 419 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 168, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 194, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 168, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2137, Positive cache size: 2034, Positive conditional cache size: 2034, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 340.8ms, 60 PlacesBefore, 60 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 509 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 191, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 267, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 267, negative conditional: 267, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 191, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2148, Positive cache size: 2041, Positive conditional cache size: 2041, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2105.4ms, 67 PlacesBefore, 67 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 1940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 810 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 269, positive: 253, positive conditional: 253, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 15, positive unconditional: 18, 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: 33, positive: 33, positive conditional: 15, positive unconditional: 18, 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: 33, positive: 33, positive conditional: 0, positive unconditional: 33, 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: 269, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2181, Positive cache size: 2074, Positive conditional cache size: 2074, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1820.9ms, 71 PlacesBefore, 71 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 1938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 810 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 281, positive: 265, positive conditional: 265, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 3, 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: 6, positive: 6, positive conditional: 3, 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: 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: 281, positive: 259, positive conditional: 259, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2187, Positive cache size: 2080, Positive conditional cache size: 2080, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1643.8ms, 78 PlacesBefore, 78 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2380 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1396 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 336, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 36, positive conditional: 32, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 36, positive conditional: 32, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 336, positive: 278, positive conditional: 278, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2224, Positive cache size: 2116, Positive conditional cache size: 2116, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 674.8ms, 84 PlacesBefore, 82 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 1836 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 362, positive conditional: 362, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 50, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 382, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2274, Positive cache size: 2166, Positive conditional cache size: 2166, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3668.5ms, 76 PlacesBefore, 62 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 419 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 410, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 19, positive unconditional: 13, 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: 32, positive: 32, positive conditional: 19, positive unconditional: 13, 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: 32, positive: 32, positive conditional: 0, positive unconditional: 32, 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: 410, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2306, Positive cache size: 2198, Positive conditional cache size: 2198, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - 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_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L841] 0 pthread_t t506; [L842] FCALL, FORK 0 pthread_create(&t506, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L843] 0 pthread_t t507; [L844] FCALL, FORK 0 pthread_create(&t507, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] 0 pthread_t t508; [L846] FCALL, FORK 0 pthread_create(&t508, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 y$w_buff1 = y$w_buff0 [L789] 3 y$w_buff0 = 1 [L790] 3 y$w_buff1_used = y$w_buff0_used [L791] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L793] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L794] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L795] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L796] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L797] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 y$flush_delayed = weak$$choice2 [L803] 3 y$mem_tmp = y [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L804] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L805] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L805] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L806] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L806] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L807] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L807] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L809] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EAX = y [L812] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L812] 3 y = y$flush_delayed ? y$mem_tmp : y [L813] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L745] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L760] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L763] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 2 y$flush_delayed = weak$$choice2 [L766] 2 y$mem_tmp = y [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 __unbuffered_p1_EAX = y [L775] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L775] 2 y = y$flush_delayed ? y$mem_tmp : y [L776] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L819] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L819] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L820] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L820] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L821] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L822] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L823] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L852] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L852] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L852] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L852] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L853] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L853] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L854] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L855] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L856] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L859] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 59610.2ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9940.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37048.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 83 SDtfs, 84 SDslu, 26 SDs, 0 SdLazy, 379 SolverSat, 152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 541.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 166.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=776occurred in iteration=7, InterpolantAutomatonStates: 43, 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: 48.6ms SsaConstructionTime, 498.4ms SatisfiabilityAnalysisTime, 621.4ms InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 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...