/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/mix036_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:13:46,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:13:46,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:13:46,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:13:46,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:13:46,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:13:46,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:13:46,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:13:46,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:13:46,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:13:46,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:13:46,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:13:46,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:13:46,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:13:46,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:13:46,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:13:46,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:13:46,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:13:46,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:13:46,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:13:46,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:13:46,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:13:46,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:13:46,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:13:46,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:13:46,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:13:46,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:13:46,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:13:46,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:13:46,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:13:46,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:13:46,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:13:46,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:13:46,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:13:46,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:13:46,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:13:46,896 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 20:13:46,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:13:46,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:13:46,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:13:46,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:13:46,950 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:13:46,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:13:46,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:13:46,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:13:46,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:13:46,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:13:46,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:13:46,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:13:46,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:13:46,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:13:46,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:13:46,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:13:46,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:13:46,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:13:46,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:13:46,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:13:46,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:13:46,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:13:46,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:13:46,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:13:46,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:13:46,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:13:46,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:13:46,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:13:46,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:13:46,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:13:46,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:13:47,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:13:47,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:13:47,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:13:47,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:13:47,385 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:13:47,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_tso.oepc.i [2021-04-28 20:13:47,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f646f14/299dc6c137224ac3b5f3e2bbe402c860/FLAG97241f413 [2021-04-28 20:13:48,184 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:13:48,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_tso.oepc.i [2021-04-28 20:13:48,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f646f14/299dc6c137224ac3b5f3e2bbe402c860/FLAG97241f413 [2021-04-28 20:13:48,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f646f14/299dc6c137224ac3b5f3e2bbe402c860 [2021-04-28 20:13:48,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:13:48,487 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:13:48,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:13:48,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:13:48,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:13:48,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:13:48" (1/1) ... [2021-04-28 20:13:48,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb7db97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:48, skipping insertion in model container [2021-04-28 20:13:48,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:13:48" (1/1) ... [2021-04-28 20:13:48,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:13:48,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:13:48,785 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/mix036_tso.oepc.i[949,962] [2021-04-28 20:13:49,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:13:49,110 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:13:49,124 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/mix036_tso.oepc.i[949,962] [2021-04-28 20:13:49,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:13:49,328 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:13:49,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49 WrapperNode [2021-04-28 20:13:49,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:13:49,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:13:49,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:13:49,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:13:49,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:13:49,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:13:49,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:13:49,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:13:49,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (1/1) ... [2021-04-28 20:13:49,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:13:49,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:13:49,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:13:49,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:13:49,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (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 20:13:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:13:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:13:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:13:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:13:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:13:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:13:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:13:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:13:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:13:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:13:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:13:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:13:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:13:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:13:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:13:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:13:49,586 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 20:13:51,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:13:51,959 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:13:51,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:13:51 BoogieIcfgContainer [2021-04-28 20:13:51,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:13:51,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:13:51,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:13:51,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:13:51,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:13:48" (1/3) ... [2021-04-28 20:13:51,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402f0c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:13:51, skipping insertion in model container [2021-04-28 20:13:51,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:13:49" (2/3) ... [2021-04-28 20:13:51,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402f0c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:13:51, skipping insertion in model container [2021-04-28 20:13:51,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:13:51" (3/3) ... [2021-04-28 20:13:51,970 INFO L111 eAbstractionObserver]: Analyzing ICFG mix036_tso.oepc.i [2021-04-28 20:13:51,977 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:13:51,983 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:13:51,984 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:13:52,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,029 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,029 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,029 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,030 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,030 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,030 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,031 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,036 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,036 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,037 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,037 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,041 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,041 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,042 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,042 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,047 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,047 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,047 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,048 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,070 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,071 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,082 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,083 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,083 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:13:52,089 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:13:52,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:13:52,138 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:13:52,139 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:13:52,139 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:13:52,139 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:13:52,139 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:13:52,139 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:13:52,139 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:13:52,139 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:13:52,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 20:13:52,237 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 20:13:52,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:52,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:13:52,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 20:13:52,269 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-04-28 20:13:52,271 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:52,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 20:13:52,294 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 20:13:52,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-04-28 20:13:52,345 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 20:13:52,345 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:52,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:13:52,351 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:13:56,424 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:13:56,541 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:13:57,062 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:13:57,252 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:14:07,027 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:14:10,133 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:14:12,732 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:14:14,272 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:14:14,383 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:14:14,493 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:14:14,606 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:14:14,708 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:14:14,816 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:14:15,017 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:14:15,126 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:14:15,232 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:14:15,340 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:14:15,479 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:14:17,879 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:17,985 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:18,091 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:18,196 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:18,442 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:14:18,554 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:14:18,666 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:14:18,784 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:18,900 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:19,016 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:19,134 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:19,298 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:14:19,445 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:14:19,593 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:14:19,741 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:14:19,847 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:19,952 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:20,058 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:20,162 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:21,190 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:21,295 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:21,437 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:21,542 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:21,697 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:14:21,853 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:14:22,010 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:14:22,168 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:14:22,273 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:22,378 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:22,484 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:22,588 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:14:23,088 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:23,222 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:23,353 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:23,485 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:23,639 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:14:23,788 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:14:23,943 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:14:24,097 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:14:24,282 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:14:24,469 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:14:24,653 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:14:24,878 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:14:25,004 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:25,129 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:25,253 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:25,377 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:25,554 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:14:25,731 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:14:25,907 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:14:26,086 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:14:26,263 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:14:26,441 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:14:26,626 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:14:26,804 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:14:26,970 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:27,136 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:27,299 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:27,463 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:27,606 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:27,749 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:27,889 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:28,026 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:28,190 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:28,354 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:28,552 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:28,719 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:14:28,918 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:14:29,114 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:14:29,308 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:14:29,507 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:14:29,643 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:14:29,779 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:14:29,917 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:14:30,052 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:14:30,245 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:14:30,438 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:14:30,626 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:14:30,826 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:14:30,973 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:14:31,121 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:14:31,266 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:14:31,411 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:14:31,538 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:14:31,666 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:14:31,794 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:14:31,917 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:14:32,059 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:32,201 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:32,381 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:32,543 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:32,796 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:14:33,019 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:14:33,254 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:14:33,483 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:14:34,055 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 20:14:34,319 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 20:14:34,900 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 20:14:35,177 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 20:14:35,404 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:35,634 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:35,866 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:36,103 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:36,342 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:36,602 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:36,839 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:37,068 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:37,275 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:14:37,480 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:14:37,684 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:14:37,885 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:14:38,099 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:14:38,308 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:14:38,515 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:14:38,725 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:14:38,846 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:38,972 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:39,097 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:39,221 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:14:39,370 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:39,513 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:39,655 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:39,798 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:14:40,360 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 20:14:40,623 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 20:14:41,202 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 20:14:41,458 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 20:14:41,686 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:14:41,910 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:14:42,139 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:14:42,366 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:14:42,597 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:42,821 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:43,060 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:43,293 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:43,517 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:43,749 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:43,980 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:44,214 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:44,445 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:44,674 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:44,906 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:45,134 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:14:45,196 INFO L158 LiptonReduction]: Checked pairs total: 29130 [2021-04-28 20:14:45,196 INFO L160 LiptonReduction]: Total number of compositions: 293 [2021-04-28 20:14:45,202 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52932 [2021-04-28 20:14:45,241 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-04-28 20:14:45,241 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:14:45,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:45,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:14:45,243 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:14:45,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:45,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1400929, now seen corresponding path program 1 times [2021-04-28 20:14:45,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:45,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136314954] [2021-04-28 20:14:45,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:45,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:45,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:45,570 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 20:14:45,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136314954] [2021-04-28 20:14:45,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:45,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:14:45,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878358493] [2021-04-28 20:14:45,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:14:45,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:45,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:14:45,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:14:45,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 414 [2021-04-28 20:14:45,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 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 20:14:45,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:45,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 414 [2021-04-28 20:14:45,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:14:45,882 INFO L129 PetriNetUnfolder]: 133/839 cut-off events. [2021-04-28 20:14:45,882 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:14:45,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 839 events. 133/839 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7526 event pairs, 110 based on Foata normal form. 69/346 useless extension candidates. Maximal degree in co-relation 989. Up to 153 conditions per place. [2021-04-28 20:14:45,895 INFO L132 encePairwiseOnDemand]: 393/414 looper letters, 11 selfloop transitions, 2 changer transitions 60/146 dead transitions. [2021-04-28 20:14:45,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 146 transitions, 360 flow [2021-04-28 20:14:45,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:14:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:14:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2021-04-28 20:14:45,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7914653784219001 [2021-04-28 20:14:45,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2021-04-28 20:14:45,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2021-04-28 20:14:45,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:14:45,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2021-04-28 20:14:45,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 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 20:14:45,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:45,944 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:45,947 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 983 transitions. [2021-04-28 20:14:45,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 146 transitions, 360 flow [2021-04-28 20:14:45,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:14:45,957 INFO L241 Difference]: Finished difference. Result has 152 places, 81 transitions, 174 flow [2021-04-28 20:14:45,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=152, PETRI_TRANSITIONS=81} [2021-04-28 20:14:45,960 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 20:14:45,960 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:14:45,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 81 transitions, 174 flow [2021-04-28 20:14:45,961 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 81 transitions, 174 flow [2021-04-28 20:14:45,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 174 flow [2021-04-28 20:14:45,973 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-04-28 20:14:45,974 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:14:45,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 81 events. 0/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 412 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:14:45,977 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-28 20:14:46,408 INFO L158 LiptonReduction]: Checked pairs total: 4380 [2021-04-28 20:14:46,408 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:14:46,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 448 [2021-04-28 20:14:46,411 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 174 flow [2021-04-28 20:14:46,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 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 20:14:46,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:46,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:14:46,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:14:46,413 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:14:46,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:46,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1393165699, now seen corresponding path program 1 times [2021-04-28 20:14:46,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:46,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737365502] [2021-04-28 20:14:46,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:46,539 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:14:46,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:14:46,558 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 20:14:46,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737365502] [2021-04-28 20:14:46,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:46,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:14:46,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299164879] [2021-04-28 20:14:46,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:14:46,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:46,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:14:46,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:14:46,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 414 [2021-04-28 20:14:46,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 268.6666666666667) internal successors, (806), 3 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:14:46,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:46,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 414 [2021-04-28 20:14:46,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:14:47,353 INFO L129 PetriNetUnfolder]: 1746/4214 cut-off events. [2021-04-28 20:14:47,354 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:14:47,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6941 conditions, 4214 events. 1746/4214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 42766 event pairs, 658 based on Foata normal form. 0/2831 useless extension candidates. Maximal degree in co-relation 6932. Up to 2391 conditions per place. [2021-04-28 20:14:47,381 INFO L132 encePairwiseOnDemand]: 392/414 looper letters, 6 selfloop transitions, 5 changer transitions 51/110 dead transitions. [2021-04-28 20:14:47,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 110 transitions, 356 flow [2021-04-28 20:14:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:14:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:14:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 863 transitions. [2021-04-28 20:14:47,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6948470209339774 [2021-04-28 20:14:47,386 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 863 transitions. [2021-04-28 20:14:47,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 863 transitions. [2021-04-28 20:14:47,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:14:47,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 863 transitions. [2021-04-28 20:14:47,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 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 20:14:47,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:47,395 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:47,395 INFO L185 Difference]: Start difference. First operand has 92 places, 81 transitions, 174 flow. Second operand 3 states and 863 transitions. [2021-04-28 20:14:47,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 110 transitions, 356 flow [2021-04-28 20:14:47,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 110 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:14:47,399 INFO L241 Difference]: Finished difference. Result has 93 places, 59 transitions, 153 flow [2021-04-28 20:14:47,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=93, PETRI_TRANSITIONS=59} [2021-04-28 20:14:47,400 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -64 predicate places. [2021-04-28 20:14:47,400 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:14:47,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 59 transitions, 153 flow [2021-04-28 20:14:47,401 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 59 transitions, 153 flow [2021-04-28 20:14:47,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 59 transitions, 153 flow [2021-04-28 20:14:47,444 INFO L129 PetriNetUnfolder]: 77/296 cut-off events. [2021-04-28 20:14:47,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:14:47,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 296 events. 77/296 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1782 event pairs, 43 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 427. Up to 124 conditions per place. [2021-04-28 20:14:47,454 INFO L146 LiptonReduction]: Number of co-enabled transitions 1926 [2021-04-28 20:14:47,677 INFO L158 LiptonReduction]: Checked pairs total: 1433 [2021-04-28 20:14:47,677 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:14:47,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 277 [2021-04-28 20:14:47,680 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 153 flow [2021-04-28 20:14:47,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 268.6666666666667) internal successors, (806), 3 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:14:47,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:47,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:14:47,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:14:47,681 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:14:47,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:47,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1197659627, now seen corresponding path program 1 times [2021-04-28 20:14:47,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:47,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337930297] [2021-04-28 20:14:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:47,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:47,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:47,777 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:14:47,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:14:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:14:47,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337930297] [2021-04-28 20:14:47,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:47,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:14:47,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166361433] [2021-04-28 20:14:47,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:14:47,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:47,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:14:47,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:14:47,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 414 [2021-04-28 20:14:47,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 20:14:47,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:47,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 414 [2021-04-28 20:14:47,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:14:47,856 INFO L129 PetriNetUnfolder]: 61/193 cut-off events. [2021-04-28 20:14:47,856 INFO L130 PetriNetUnfolder]: For 18/95 co-relation queries the response was YES. [2021-04-28 20:14:47,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 193 events. 61/193 cut-off events. For 18/95 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 933 event pairs, 9 based on Foata normal form. 2/142 useless extension candidates. Maximal degree in co-relation 401. Up to 101 conditions per place. [2021-04-28 20:14:47,859 INFO L132 encePairwiseOnDemand]: 411/414 looper letters, 11 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-04-28 20:14:47,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 193 flow [2021-04-28 20:14:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:14:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:14:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions. [2021-04-28 20:14:47,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6561996779388084 [2021-04-28 20:14:47,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 815 transitions. [2021-04-28 20:14:47,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 815 transitions. [2021-04-28 20:14:47,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:14:47,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 815 transitions. [2021-04-28 20:14:47,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 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 20:14:47,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:47,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:47,873 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 153 flow. Second operand 3 states and 815 transitions. [2021-04-28 20:14:47,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 62 transitions, 193 flow [2021-04-28 20:14:47,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:14:47,876 INFO L241 Difference]: Finished difference. Result has 69 places, 59 transitions, 159 flow [2021-04-28 20:14:47,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2021-04-28 20:14:47,877 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -88 predicate places. [2021-04-28 20:14:47,877 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:14:47,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 59 transitions, 159 flow [2021-04-28 20:14:47,877 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 59 transitions, 159 flow [2021-04-28 20:14:47,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 59 transitions, 159 flow [2021-04-28 20:14:47,912 INFO L129 PetriNetUnfolder]: 61/233 cut-off events. [2021-04-28 20:14:47,912 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-04-28 20:14:47,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 233 events. 61/233 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1228 event pairs, 29 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 369. Up to 101 conditions per place. [2021-04-28 20:14:47,919 INFO L146 LiptonReduction]: Number of co-enabled transitions 1918 [2021-04-28 20:14:47,925 INFO L158 LiptonReduction]: Checked pairs total: 1431 [2021-04-28 20:14:47,925 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:14:47,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-04-28 20:14:47,928 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 159 flow [2021-04-28 20:14:47,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 20:14:47,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:47,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:14:47,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:14:47,930 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:14:47,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:47,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1197661053, now seen corresponding path program 1 times [2021-04-28 20:14:47,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:47,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997966006] [2021-04-28 20:14:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:48,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:48,009 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:14:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:14:48,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:48,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:14:48,019 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 20:14:48,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997966006] [2021-04-28 20:14:48,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:48,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:14:48,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898455859] [2021-04-28 20:14:48,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:14:48,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:48,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:14:48,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:14:48,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 20:14:48,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 159 flow. Second operand has 4 states, 4 states have (on average 318.75) internal successors, (1275), 4 states have internal predecessors, (1275), 0 states have call successors, (0), 0 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 20:14:48,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:48,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 20:14:48,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:14:52,433 INFO L129 PetriNetUnfolder]: 20996/31137 cut-off events. [2021-04-28 20:14:52,434 INFO L130 PetriNetUnfolder]: For 581/602 co-relation queries the response was YES. [2021-04-28 20:14:52,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62762 conditions, 31137 events. 20996/31137 cut-off events. For 581/602 co-relation queries the response was YES. Maximal size of possible extension queue 4435. Compared 262444 event pairs, 11219 based on Foata normal form. 553/9774 useless extension candidates. Maximal degree in co-relation 62750. Up to 19555 conditions per place. [2021-04-28 20:14:52,713 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 34 selfloop transitions, 33 changer transitions 0/103 dead transitions. [2021-04-28 20:14:52,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 103 transitions, 381 flow [2021-04-28 20:14:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:14:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:14:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1656 transitions. [2021-04-28 20:14:52,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-04-28 20:14:52,719 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1656 transitions. [2021-04-28 20:14:52,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1656 transitions. [2021-04-28 20:14:52,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:14:52,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1656 transitions. [2021-04-28 20:14:52,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 20:14:52,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 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 20:14:52,733 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 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 20:14:52,733 INFO L185 Difference]: Start difference. First operand has 69 places, 59 transitions, 159 flow. Second operand 5 states and 1656 transitions. [2021-04-28 20:14:52,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 103 transitions, 381 flow [2021-04-28 20:14:52,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 103 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:14:52,741 INFO L241 Difference]: Finished difference. Result has 74 places, 90 transitions, 399 flow [2021-04-28 20:14:52,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=399, PETRI_PLACES=74, PETRI_TRANSITIONS=90} [2021-04-28 20:14:52,741 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -83 predicate places. [2021-04-28 20:14:52,741 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:14:52,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 90 transitions, 399 flow [2021-04-28 20:14:52,742 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 90 transitions, 399 flow [2021-04-28 20:14:52,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 90 transitions, 399 flow [2021-04-28 20:14:55,840 INFO L129 PetriNetUnfolder]: 18772/28347 cut-off events. [2021-04-28 20:14:55,841 INFO L130 PetriNetUnfolder]: For 4107/24891 co-relation queries the response was YES. [2021-04-28 20:14:56,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80555 conditions, 28347 events. 18772/28347 cut-off events. For 4107/24891 co-relation queries the response was YES. Maximal size of possible extension queue 4484. Compared 245908 event pairs, 10523 based on Foata normal form. 3/8322 useless extension candidates. Maximal degree in co-relation 80542. Up to 26681 conditions per place. [2021-04-28 20:14:56,448 INFO L146 LiptonReduction]: Number of co-enabled transitions 2720 [2021-04-28 20:14:57,368 INFO L158 LiptonReduction]: Checked pairs total: 2915 [2021-04-28 20:14:57,368 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:14:57,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4628 [2021-04-28 20:14:57,371 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 90 transitions, 399 flow [2021-04-28 20:14:57,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 318.75) internal successors, (1275), 4 states have internal predecessors, (1275), 0 states have call successors, (0), 0 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 20:14:57,372 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:57,372 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:14:57,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:14:57,373 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:14:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:57,373 INFO L82 PathProgramCache]: Analyzing trace with hash -772361726, now seen corresponding path program 1 times [2021-04-28 20:14:57,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:57,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619182049] [2021-04-28 20:14:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:57,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:57,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:57,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:57,510 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:14:57,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:14:57,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:57,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:14:57,521 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 20:14:57,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619182049] [2021-04-28 20:14:57,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:57,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:14:57,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072724865] [2021-04-28 20:14:57,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:14:57,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:57,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:14:57,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:14:57,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 20:14:57,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 90 transitions, 399 flow. Second operand has 5 states, 5 states have (on average 318.8) internal successors, (1594), 5 states have internal predecessors, (1594), 0 states have call successors, (0), 0 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 20:14:57,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:57,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 20:14:57,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:15:01,295 INFO L129 PetriNetUnfolder]: 22598/35487 cut-off events. [2021-04-28 20:15:01,295 INFO L130 PetriNetUnfolder]: For 9314/53828 co-relation queries the response was YES. [2021-04-28 20:15:01,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135281 conditions, 35487 events. 22598/35487 cut-off events. For 9314/53828 co-relation queries the response was YES. Maximal size of possible extension queue 5583. Compared 317664 event pairs, 4619 based on Foata normal form. 675/12305 useless extension candidates. Maximal degree in co-relation 135266. Up to 32738 conditions per place. [2021-04-28 20:15:01,630 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 35 selfloop transitions, 64 changer transitions 0/135 dead transitions. [2021-04-28 20:15:01,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 135 transitions, 846 flow [2021-04-28 20:15:01,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:15:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:15:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2322 transitions. [2021-04-28 20:15:01,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8012422360248447 [2021-04-28 20:15:01,640 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2322 transitions. [2021-04-28 20:15:01,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2322 transitions. [2021-04-28 20:15:01,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:15:01,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2322 transitions. [2021-04-28 20:15:01,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 331.7142857142857) internal successors, (2322), 7 states have internal predecessors, (2322), 0 states have call successors, (0), 0 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 20:15:01,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 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 20:15:01,664 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 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 20:15:01,664 INFO L185 Difference]: Start difference. First operand has 74 places, 90 transitions, 399 flow. Second operand 7 states and 2322 transitions. [2021-04-28 20:15:01,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 135 transitions, 846 flow [2021-04-28 20:15:01,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 135 transitions, 846 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:15:01,725 INFO L241 Difference]: Finished difference. Result has 83 places, 121 transitions, 841 flow [2021-04-28 20:15:01,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=841, PETRI_PLACES=83, PETRI_TRANSITIONS=121} [2021-04-28 20:15:01,726 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -74 predicate places. [2021-04-28 20:15:01,726 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:15:01,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 121 transitions, 841 flow [2021-04-28 20:15:01,737 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 121 transitions, 841 flow [2021-04-28 20:15:01,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 121 transitions, 841 flow [2021-04-28 20:15:05,022 INFO L129 PetriNetUnfolder]: 20791/33190 cut-off events. [2021-04-28 20:15:05,022 INFO L130 PetriNetUnfolder]: For 47579/147071 co-relation queries the response was YES. [2021-04-28 20:15:05,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155240 conditions, 33190 events. 20791/33190 cut-off events. For 47579/147071 co-relation queries the response was YES. Maximal size of possible extension queue 5793. Compared 327540 event pairs, 4445 based on Foata normal form. 18/10445 useless extension candidates. Maximal degree in co-relation 155222. Up to 31070 conditions per place. [2021-04-28 20:15:05,649 INFO L146 LiptonReduction]: Number of co-enabled transitions 3790 [2021-04-28 20:15:16,239 INFO L158 LiptonReduction]: Checked pairs total: 6193 [2021-04-28 20:15:16,239 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:15:16,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14513 [2021-04-28 20:15:16,241 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 121 transitions, 841 flow [2021-04-28 20:15:16,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 318.8) internal successors, (1594), 5 states have internal predecessors, (1594), 0 states have call successors, (0), 0 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 20:15:16,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:15:16,242 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 20:15:16,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:15:16,242 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:15:16,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:15:16,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1984110525, now seen corresponding path program 1 times [2021-04-28 20:15:16,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:15:16,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584607197] [2021-04-28 20:15:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:15:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:15:16,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:15:16,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:15:16,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:15:16,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:15:16,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:15:16,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:15:16,443 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:15:16,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:15:16,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:15:16,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:15:16,455 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 20:15:16,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584607197] [2021-04-28 20:15:16,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:15:16,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:15:16,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167331730] [2021-04-28 20:15:16,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:15:16,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:15:16,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:15:16,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:15:16,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 20:15:16,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 121 transitions, 841 flow. Second operand has 6 states, 6 states have (on average 318.8333333333333) internal successors, (1913), 6 states have internal predecessors, (1913), 0 states have call successors, (0), 0 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 20:15:16,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:15:16,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 20:15:16,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:15:20,477 INFO L129 PetriNetUnfolder]: 20978/35001 cut-off events. [2021-04-28 20:15:20,477 INFO L130 PetriNetUnfolder]: For 34939/210808 co-relation queries the response was YES. [2021-04-28 20:15:20,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197750 conditions, 35001 events. 20978/35001 cut-off events. For 34939/210808 co-relation queries the response was YES. Maximal size of possible extension queue 5385. Compared 334284 event pairs, 740 based on Foata normal form. 726/12032 useless extension candidates. Maximal degree in co-relation 197730. Up to 32756 conditions per place. [2021-04-28 20:15:20,854 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 24 selfloop transitions, 95 changer transitions 12/167 dead transitions. [2021-04-28 20:15:20,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 167 transitions, 1513 flow [2021-04-28 20:15:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:15:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:15:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2988 transitions. [2021-04-28 20:15:20,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8019323671497585 [2021-04-28 20:15:20,866 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2988 transitions. [2021-04-28 20:15:20,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2988 transitions. [2021-04-28 20:15:20,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:15:20,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2988 transitions. [2021-04-28 20:15:20,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 332.0) internal successors, (2988), 9 states have internal predecessors, (2988), 0 states have call successors, (0), 0 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 20:15:20,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 414.0) internal successors, (4140), 10 states have internal predecessors, (4140), 0 states have call successors, (0), 0 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 20:15:20,890 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 414.0) internal successors, (4140), 10 states have internal predecessors, (4140), 0 states have call successors, (0), 0 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 20:15:20,890 INFO L185 Difference]: Start difference. First operand has 83 places, 121 transitions, 841 flow. Second operand 9 states and 2988 transitions. [2021-04-28 20:15:20,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 167 transitions, 1513 flow [2021-04-28 20:15:23,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 167 transitions, 1350 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 20:15:23,314 INFO L241 Difference]: Finished difference. Result has 91 places, 152 transitions, 1269 flow [2021-04-28 20:15:23,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1269, PETRI_PLACES=91, PETRI_TRANSITIONS=152} [2021-04-28 20:15:23,315 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -66 predicate places. [2021-04-28 20:15:23,315 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:15:23,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 152 transitions, 1269 flow [2021-04-28 20:15:23,316 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 152 transitions, 1269 flow [2021-04-28 20:15:23,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 152 transitions, 1269 flow [2021-04-28 20:15:26,032 INFO L129 PetriNetUnfolder]: 14927/26983 cut-off events. [2021-04-28 20:15:26,032 INFO L130 PetriNetUnfolder]: For 88483/120707 co-relation queries the response was YES. [2021-04-28 20:15:26,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154778 conditions, 26983 events. 14927/26983 cut-off events. For 88483/120707 co-relation queries the response was YES. Maximal size of possible extension queue 5544. Compared 295725 event pairs, 750 based on Foata normal form. 1/8320 useless extension candidates. Maximal degree in co-relation 154757. Up to 21403 conditions per place. [2021-04-28 20:15:26,479 INFO L146 LiptonReduction]: Number of co-enabled transitions 4422 [2021-04-28 20:15:52,834 INFO L158 LiptonReduction]: Checked pairs total: 9843 [2021-04-28 20:15:52,835 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:15:52,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29520 [2021-04-28 20:15:52,836 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 152 transitions, 1269 flow [2021-04-28 20:15:52,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 318.8333333333333) internal successors, (1913), 6 states have internal predecessors, (1913), 0 states have call successors, (0), 0 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 20:15:52,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:15:52,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:15:52,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:15:52,838 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:15:52,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:15:52,839 INFO L82 PathProgramCache]: Analyzing trace with hash 369297044, now seen corresponding path program 1 times [2021-04-28 20:15:52,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:15:52,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509986033] [2021-04-28 20:15:52,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:15:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:15:52,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:15:52,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:15:52,996 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.9 percent of original size [2021-04-28 20:15:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 20:15:53,046 INFO L142 QuantifierPusher]: treesize reduction 23, result has 78.3 percent of original size [2021-04-28 20:15:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-28 20:15:53,084 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-04-28 20:15:53,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-28 20:15:53,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:15:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 20:15:53,116 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 20:15:53,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509986033] [2021-04-28 20:15:53,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:15:53,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:15:53,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204359943] [2021-04-28 20:15:53,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:15:53,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:15:53,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:15:53,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:15:53,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 414 [2021-04-28 20:15:53,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 152 transitions, 1269 flow. Second operand has 7 states, 7 states have (on average 218.14285714285714) internal successors, (1527), 7 states have internal predecessors, (1527), 0 states have call successors, (0), 0 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 20:15:53,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:15:53,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 414 [2021-04-28 20:15:53,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:16:06,784 INFO L129 PetriNetUnfolder]: 55059/102424 cut-off events. [2021-04-28 20:16:06,784 INFO L130 PetriNetUnfolder]: For 822959/1537346 co-relation queries the response was YES. [2021-04-28 20:16:07,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 578977 conditions, 102424 events. 55059/102424 cut-off events. For 822959/1537346 co-relation queries the response was YES. Maximal size of possible extension queue 19545. Compared 1299657 event pairs, 2162 based on Foata normal form. 405/30879 useless extension candidates. Maximal degree in co-relation 578954. Up to 79462 conditions per place. [2021-04-28 20:16:08,009 INFO L132 encePairwiseOnDemand]: 406/414 looper letters, 24 selfloop transitions, 8 changer transitions 0/175 dead transitions. [2021-04-28 20:16:08,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 175 transitions, 1445 flow [2021-04-28 20:16:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:16:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:16:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1335 transitions. [2021-04-28 20:16:08,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5374396135265701 [2021-04-28 20:16:08,015 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1335 transitions. [2021-04-28 20:16:08,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1335 transitions. [2021-04-28 20:16:08,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:16:08,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1335 transitions. [2021-04-28 20:16:08,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 0 states have call successors, (0), 0 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 20:16:08,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 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 20:16:08,026 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 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 20:16:08,026 INFO L185 Difference]: Start difference. First operand has 91 places, 152 transitions, 1269 flow. Second operand 6 states and 1335 transitions. [2021-04-28 20:16:08,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 175 transitions, 1445 flow [2021-04-28 20:25:25,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 175 transitions, 1113 flow, removed 108 selfloop flow, removed 5 redundant places. [2021-04-28 20:25:25,065 INFO L241 Difference]: Finished difference. Result has 94 places, 158 transitions, 1004 flow [2021-04-28 20:25:25,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1004, PETRI_PLACES=94, PETRI_TRANSITIONS=158} [2021-04-28 20:25:25,066 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -63 predicate places. [2021-04-28 20:25:25,066 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:25:25,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 158 transitions, 1004 flow [2021-04-28 20:25:25,066 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 158 transitions, 1004 flow [2021-04-28 20:25:25,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 158 transitions, 1004 flow [2021-04-28 20:25:34,625 INFO L129 PetriNetUnfolder]: 62693/104853 cut-off events. [2021-04-28 20:25:34,625 INFO L130 PetriNetUnfolder]: For 107317/121782 co-relation queries the response was YES. [2021-04-28 20:25:35,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384151 conditions, 104853 events. 62693/104853 cut-off events. For 107317/121782 co-relation queries the response was YES. Maximal size of possible extension queue 20640. Compared 1215436 event pairs, 7387 based on Foata normal form. 59/30421 useless extension candidates. Maximal degree in co-relation 384127. Up to 52462 conditions per place. [2021-04-28 20:25:37,415 INFO L146 LiptonReduction]: Number of co-enabled transitions 5122 [2021-04-28 20:25:37,864 INFO L158 LiptonReduction]: Checked pairs total: 3194 [2021-04-28 20:25:37,865 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:25:37,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12799 [2021-04-28 20:25:37,867 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 158 transitions, 1004 flow [2021-04-28 20:25:37,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 218.14285714285714) internal successors, (1527), 7 states have internal predecessors, (1527), 0 states have call successors, (0), 0 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 20:25:37,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:25:37,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:25:37,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:25:37,868 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:25:37,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:25:37,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1821728671, now seen corresponding path program 1 times [2021-04-28 20:25:37,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:25:37,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914079130] [2021-04-28 20:25:37,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:25:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:25:38,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:25:38,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:25:38,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:25:38,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:25:38,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:25:38,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:25:38,045 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 20:25:38,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914079130] [2021-04-28 20:25:38,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:25:38,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:25:38,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012774650] [2021-04-28 20:25:38,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:25:38,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:25:38,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:25:38,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:25:38,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 414 [2021-04-28 20:25:38,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 158 transitions, 1004 flow. Second operand has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 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 20:25:38,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:25:38,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 414 [2021-04-28 20:25:38,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:25:58,180 INFO L129 PetriNetUnfolder]: 95737/171367 cut-off events. [2021-04-28 20:25:58,181 INFO L130 PetriNetUnfolder]: For 187235/200010 co-relation queries the response was YES. [2021-04-28 20:25:59,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 632497 conditions, 171367 events. 95737/171367 cut-off events. For 187235/200010 co-relation queries the response was YES. Maximal size of possible extension queue 30573. Compared 2207242 event pairs, 4508 based on Foata normal form. 719/51804 useless extension candidates. Maximal degree in co-relation 632471. Up to 81568 conditions per place. [2021-04-28 20:25:59,685 INFO L132 encePairwiseOnDemand]: 411/414 looper letters, 5 selfloop transitions, 3 changer transitions 0/161 dead transitions. [2021-04-28 20:25:59,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 161 transitions, 1036 flow [2021-04-28 20:25:59,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:25:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:25:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1023 transitions. [2021-04-28 20:25:59,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6177536231884058 [2021-04-28 20:25:59,691 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1023 transitions. [2021-04-28 20:25:59,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1023 transitions. [2021-04-28 20:25:59,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:25:59,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1023 transitions. [2021-04-28 20:25:59,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 255.75) internal successors, (1023), 4 states have internal predecessors, (1023), 0 states have call successors, (0), 0 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 20:25:59,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 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 20:25:59,699 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 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 20:25:59,699 INFO L185 Difference]: Start difference. First operand has 94 places, 158 transitions, 1004 flow. Second operand 4 states and 1023 transitions. [2021-04-28 20:25:59,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 161 transitions, 1036 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown