/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix052_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:54:33,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:54:33,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:54:33,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:54:33,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:54:33,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:54:33,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:54:33,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:54:33,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:54:33,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:54:33,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:54:33,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:54:33,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:54:33,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:54:33,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:54:33,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:54:33,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:54:33,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:54:33,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:54:33,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:54:33,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:54:33,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:54:33,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:54:33,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:54:33,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 10:54:33,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 10:54:33,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 10:54:33,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 10:54:33,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 10:54:33,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 10:54:33,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 10:54:33,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 10:54:33,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 10:54:33,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 10:54:33,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 10:54:33,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 10:54:33,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 10:54:33,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 10:54:33,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:54:33,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:54:33,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:54:33,150 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-VariableLbe.epf [2021-03-24 10:54:33,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:54:33,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:54:33,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:54:33,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:54:33,190 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:54:33,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:54:33,190 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:54:33,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:54:33,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:54:33,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:54:33,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:54:33,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:54:33,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:54:33,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:54:33,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:54:33,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:54:33,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:54:33,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:54:33,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:54:33,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:54:33,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:54:33,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:54:33,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:54:33,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:54:33,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:54:33,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:54:33,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:54:33,194 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:54:33,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:54:33,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:54:33,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:54:33,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:54:33,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:54:33,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:54:33,525 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:54:33,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix052_power.oepc.i [2021-03-24 10:54:33,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b38c725f/222da9a219b845a09ad1d8be9ad142d6/FLAG48dde949b [2021-03-24 10:54:34,113 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:54:34,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_power.oepc.i [2021-03-24 10:54:34,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b38c725f/222da9a219b845a09ad1d8be9ad142d6/FLAG48dde949b [2021-03-24 10:54:34,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b38c725f/222da9a219b845a09ad1d8be9ad142d6 [2021-03-24 10:54:34,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:54:34,442 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:54:34,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:54:34,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:54:34,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:54:34,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:54:34" (1/1) ... [2021-03-24 10:54:34,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7ea82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:34, skipping insertion in model container [2021-03-24 10:54:34,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:54:34" (1/1) ... [2021-03-24 10:54:34,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:54:34,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:54:34,688 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/mix052_power.oepc.i[951,964] [2021-03-24 10:54:34,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:54:34,906 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:54:34,922 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/mix052_power.oepc.i[951,964] [2021-03-24 10:54:34,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:54:35,056 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:54:35,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35 WrapperNode [2021-03-24 10:54:35,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:54:35,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:54:35,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:54:35,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:54:35,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:54:35,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:54:35,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:54:35,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:54:35,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... [2021-03-24 10:54:35,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:54:35,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:54:35,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:54:35,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:54:35,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:54:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:54:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:54:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:54:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:54:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:54:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:54:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:54:35,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:54:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 10:54:35,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 10:54:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:54:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:54:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:54:35,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:54:35,273 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 10:54:37,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:54:37,129 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:54:37,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:54:37 BoogieIcfgContainer [2021-03-24 10:54:37,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:54:37,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:54:37,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:54:37,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:54:37,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:54:34" (1/3) ... [2021-03-24 10:54:37,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42781130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:54:37, skipping insertion in model container [2021-03-24 10:54:37,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:54:35" (2/3) ... [2021-03-24 10:54:37,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42781130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:54:37, skipping insertion in model container [2021-03-24 10:54:37,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:54:37" (3/3) ... [2021-03-24 10:54:37,139 INFO L111 eAbstractionObserver]: Analyzing ICFG mix052_power.oepc.i [2021-03-24 10:54:37,144 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:54:37,148 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:54:37,149 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:54:37,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,184 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,195 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,195 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,228 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:54:37,231 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:54:37,246 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 10:54:37,262 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:54:37,262 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:54:37,262 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:54:37,262 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:54:37,262 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:54:37,262 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:54:37,262 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:54:37,262 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:54:37,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-03-24 10:54:37,301 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-24 10:54:37,301 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:54:37,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-24 10:54:37,304 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-03-24 10:54:37,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-03-24 10:54:37,309 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:54:37,316 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-03-24 10:54:37,319 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-03-24 10:54:37,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-03-24 10:54:37,335 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-24 10:54:37,335 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:54:37,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-24 10:54:37,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 1694 [2021-03-24 10:54:38,371 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:54:38,766 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-03-24 10:54:38,926 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-24 10:54:39,585 INFO L154 LiptonReduction]: Checked pairs total: 2879 [2021-03-24 10:54:39,585 INFO L156 LiptonReduction]: Total number of compositions: 60 [2021-03-24 10:54:39,587 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2278 [2021-03-24 10:54:39,596 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-24 10:54:39,596 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:54:39,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:39,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:54:39,597 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:39,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:39,603 INFO L82 PathProgramCache]: Analyzing trace with hash 653473242, now seen corresponding path program 1 times [2021-03-24 10:54:39,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:39,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520778574] [2021-03-24 10:54:39,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:39,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:39,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:39,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:39,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520778574] [2021-03-24 10:54:39,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:39,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:54:39,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049704274] [2021-03-24 10:54:39,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:54:39,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:39,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:54:39,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:54:39,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 158 [2021-03-24 10:54:39,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:39,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:39,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 158 [2021-03-24 10:54:39,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:39,916 INFO L129 PetriNetUnfolder]: 49/144 cut-off events. [2021-03-24 10:54:39,916 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:54:39,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 144 events. 49/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 615 event pairs, 9 based on Foata normal form. 16/152 useless extension candidates. Maximal degree in co-relation 218. Up to 65 conditions per place. [2021-03-24 10:54:39,919 INFO L132 encePairwiseOnDemand]: 154/158 looper letters, 9 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2021-03-24 10:54:39,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 43 transitions, 117 flow [2021-03-24 10:54:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:54:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:54:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2021-03-24 10:54:39,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8966244725738397 [2021-03-24 10:54:39,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2021-03-24 10:54:39,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2021-03-24 10:54:39,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:39,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2021-03-24 10:54:39,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:39,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:39,945 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:39,946 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 93 flow. Second operand 3 states and 425 transitions. [2021-03-24 10:54:39,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 43 transitions, 117 flow [2021-03-24 10:54:39,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 114 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 10:54:39,950 INFO L241 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2021-03-24 10:54:39,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2021-03-24 10:54:39,953 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2021-03-24 10:54:39,953 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 88 flow [2021-03-24 10:54:39,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:39,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:39,953 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] [2021-03-24 10:54:39,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:54:39,954 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:39,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:39,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1865987628, now seen corresponding path program 1 times [2021-03-24 10:54:39,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:39,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418076628] [2021-03-24 10:54:39,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:40,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:40,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:40,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418076628] [2021-03-24 10:54:40,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:40,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:54:40,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815653061] [2021-03-24 10:54:40,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:54:40,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:40,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:54:40,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:54:40,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 158 [2021-03-24 10:54:40,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:40,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 158 [2021-03-24 10:54:40,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:40,083 INFO L129 PetriNetUnfolder]: 9/92 cut-off events. [2021-03-24 10:54:40,083 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:54:40,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 92 events. 9/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 336 event pairs, 3 based on Foata normal form. 4/90 useless extension candidates. Maximal degree in co-relation 112. Up to 20 conditions per place. [2021-03-24 10:54:40,084 INFO L132 encePairwiseOnDemand]: 152/158 looper letters, 4 selfloop transitions, 3 changer transitions 10/47 dead transitions. [2021-03-24 10:54:40,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 47 transitions, 132 flow [2021-03-24 10:54:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:54:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:54:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 701 transitions. [2021-03-24 10:54:40,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8873417721518987 [2021-03-24 10:54:40,087 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 701 transitions. [2021-03-24 10:54:40,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 701 transitions. [2021-03-24 10:54:40,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:40,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 701 transitions. [2021-03-24 10:54:40,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,092 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,092 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 88 flow. Second operand 5 states and 701 transitions. [2021-03-24 10:54:40,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 47 transitions, 132 flow [2021-03-24 10:54:40,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 47 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:54:40,093 INFO L241 Difference]: Finished difference. Result has 53 places, 37 transitions, 103 flow [2021-03-24 10:54:40,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=103, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2021-03-24 10:54:40,094 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2021-03-24 10:54:40,094 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 37 transitions, 103 flow [2021-03-24 10:54:40,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:40,094 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] [2021-03-24 10:54:40,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:54:40,095 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:40,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:40,095 INFO L82 PathProgramCache]: Analyzing trace with hash -2073578868, now seen corresponding path program 1 times [2021-03-24 10:54:40,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:40,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336471578] [2021-03-24 10:54:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:54:40,208 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:54:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:54:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:40,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336471578] [2021-03-24 10:54:40,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:40,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:54:40,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223151920] [2021-03-24 10:54:40,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:54:40,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:40,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:54:40,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:54:40,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 158 [2021-03-24 10:54:40,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 37 transitions, 103 flow. Second operand has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:40,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 158 [2021-03-24 10:54:40,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:40,335 INFO L129 PetriNetUnfolder]: 77/193 cut-off events. [2021-03-24 10:54:40,335 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-03-24 10:54:40,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 193 events. 77/193 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 868 event pairs, 29 based on Foata normal form. 10/192 useless extension candidates. Maximal degree in co-relation 370. Up to 80 conditions per place. [2021-03-24 10:54:40,337 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 10 selfloop transitions, 11 changer transitions 4/55 dead transitions. [2021-03-24 10:54:40,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 189 flow [2021-03-24 10:54:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:54:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:54:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 937 transitions. [2021-03-24 10:54:40,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8471971066907775 [2021-03-24 10:54:40,340 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 937 transitions. [2021-03-24 10:54:40,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 937 transitions. [2021-03-24 10:54:40,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:40,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 937 transitions. [2021-03-24 10:54:40,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 133.85714285714286) internal successors, (937), 7 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,346 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,346 INFO L185 Difference]: Start difference. First operand has 53 places, 37 transitions, 103 flow. Second operand 7 states and 937 transitions. [2021-03-24 10:54:40,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 189 flow [2021-03-24 10:54:40,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 55 transitions, 184 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 10:54:40,348 INFO L241 Difference]: Finished difference. Result has 55 places, 47 transitions, 181 flow [2021-03-24 10:54:40,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=181, PETRI_PLACES=55, PETRI_TRANSITIONS=47} [2021-03-24 10:54:40,349 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 4 predicate places. [2021-03-24 10:54:40,349 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 47 transitions, 181 flow [2021-03-24 10:54:40,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:40,350 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, 1, 1, 1] [2021-03-24 10:54:40,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:54:40,350 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:40,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:40,350 INFO L82 PathProgramCache]: Analyzing trace with hash -681438024, now seen corresponding path program 1 times [2021-03-24 10:54:40,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:40,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347427707] [2021-03-24 10:54:40,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,453 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 10:54:40,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:54:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:40,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347427707] [2021-03-24 10:54:40,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:40,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:54:40,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863229532] [2021-03-24 10:54:40,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:54:40,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:40,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:54:40,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:54:40,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 158 [2021-03-24 10:54:40,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 47 transitions, 181 flow. Second operand has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:40,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 158 [2021-03-24 10:54:40,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:40,583 INFO L129 PetriNetUnfolder]: 150/442 cut-off events. [2021-03-24 10:54:40,583 INFO L130 PetriNetUnfolder]: For 499/591 co-relation queries the response was YES. [2021-03-24 10:54:40,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1309 conditions, 442 events. 150/442 cut-off events. For 499/591 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 2917 event pairs, 64 based on Foata normal form. 32/447 useless extension candidates. Maximal degree in co-relation 1279. Up to 190 conditions per place. [2021-03-24 10:54:40,590 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 11 selfloop transitions, 11 changer transitions 2/60 dead transitions. [2021-03-24 10:54:40,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 60 transitions, 275 flow [2021-03-24 10:54:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:54:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:54:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 673 transitions. [2021-03-24 10:54:40,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8518987341772152 [2021-03-24 10:54:40,592 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 673 transitions. [2021-03-24 10:54:40,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 673 transitions. [2021-03-24 10:54:40,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:40,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 673 transitions. [2021-03-24 10:54:40,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,596 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,597 INFO L185 Difference]: Start difference. First operand has 55 places, 47 transitions, 181 flow. Second operand 5 states and 673 transitions. [2021-03-24 10:54:40,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 60 transitions, 275 flow [2021-03-24 10:54:40,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 60 transitions, 275 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 10:54:40,604 INFO L241 Difference]: Finished difference. Result has 63 places, 56 transitions, 275 flow [2021-03-24 10:54:40,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=275, PETRI_PLACES=63, PETRI_TRANSITIONS=56} [2021-03-24 10:54:40,604 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 12 predicate places. [2021-03-24 10:54:40,604 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 56 transitions, 275 flow [2021-03-24 10:54:40,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:40,605 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, 1, 1, 1] [2021-03-24 10:54:40,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:54:40,605 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:40,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:40,605 INFO L82 PathProgramCache]: Analyzing trace with hash -216020750, now seen corresponding path program 1 times [2021-03-24 10:54:40,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:40,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69739024] [2021-03-24 10:54:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:40,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:40,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:40,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:54:40,708 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:54:40,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:54:40,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:40,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69739024] [2021-03-24 10:54:40,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:40,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:54:40,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775389995] [2021-03-24 10:54:40,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:54:40,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:40,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:54:40,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:54:40,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 158 [2021-03-24 10:54:40,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 56 transitions, 275 flow. Second operand has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:40,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 158 [2021-03-24 10:54:40,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:40,881 INFO L129 PetriNetUnfolder]: 149/390 cut-off events. [2021-03-24 10:54:40,881 INFO L130 PetriNetUnfolder]: For 936/1366 co-relation queries the response was YES. [2021-03-24 10:54:40,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 390 events. 149/390 cut-off events. For 936/1366 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2223 event pairs, 9 based on Foata normal form. 151/524 useless extension candidates. Maximal degree in co-relation 1505. Up to 211 conditions per place. [2021-03-24 10:54:40,884 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 6 selfloop transitions, 20 changer transitions 14/75 dead transitions. [2021-03-24 10:54:40,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 75 transitions, 484 flow [2021-03-24 10:54:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 10:54:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 10:54:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2021-03-24 10:54:40,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8455696202531645 [2021-03-24 10:54:40,888 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2021-03-24 10:54:40,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2021-03-24 10:54:40,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:40,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2021-03-24 10:54:40,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 158.0) internal successors, (1738), 11 states have internal predecessors, (1738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,896 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 158.0) internal successors, (1738), 11 states have internal predecessors, (1738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,896 INFO L185 Difference]: Start difference. First operand has 63 places, 56 transitions, 275 flow. Second operand 10 states and 1336 transitions. [2021-03-24 10:54:40,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 75 transitions, 484 flow [2021-03-24 10:54:40,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 75 transitions, 480 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-24 10:54:40,901 INFO L241 Difference]: Finished difference. Result has 76 places, 61 transitions, 387 flow [2021-03-24 10:54:40,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=387, PETRI_PLACES=76, PETRI_TRANSITIONS=61} [2021-03-24 10:54:40,901 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 25 predicate places. [2021-03-24 10:54:40,901 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 61 transitions, 387 flow [2021-03-24 10:54:40,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:40,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:40,902 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, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:54:40,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:54:40,902 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:40,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:40,902 INFO L82 PathProgramCache]: Analyzing trace with hash -923342506, now seen corresponding path program 1 times [2021-03-24 10:54:40,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:40,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544404868] [2021-03-24 10:54:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:40,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:40,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:54:41,021 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:54:41,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:54:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:41,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544404868] [2021-03-24 10:54:41,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:41,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 10:54:41,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314979074] [2021-03-24 10:54:41,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:54:41,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:41,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:54:41,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:54:41,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 158 [2021-03-24 10:54:41,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 61 transitions, 387 flow. Second operand has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:41,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 158 [2021-03-24 10:54:41,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:41,242 INFO L129 PetriNetUnfolder]: 83/271 cut-off events. [2021-03-24 10:54:41,243 INFO L130 PetriNetUnfolder]: For 1649/2546 co-relation queries the response was YES. [2021-03-24 10:54:41,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 271 events. 83/271 cut-off events. For 1649/2546 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1519 event pairs, 0 based on Foata normal form. 191/450 useless extension candidates. Maximal degree in co-relation 1374. Up to 149 conditions per place. [2021-03-24 10:54:41,245 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 3 selfloop transitions, 25 changer transitions 9/72 dead transitions. [2021-03-24 10:54:41,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 72 transitions, 562 flow [2021-03-24 10:54:41,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 10:54:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 10:54:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1724 transitions. [2021-03-24 10:54:41,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8393378773125608 [2021-03-24 10:54:41,250 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1724 transitions. [2021-03-24 10:54:41,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1724 transitions. [2021-03-24 10:54:41,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:41,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1724 transitions. [2021-03-24 10:54:41,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 132.6153846153846) internal successors, (1724), 13 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 158.0) internal successors, (2212), 14 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,260 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 158.0) internal successors, (2212), 14 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,260 INFO L185 Difference]: Start difference. First operand has 76 places, 61 transitions, 387 flow. Second operand 13 states and 1724 transitions. [2021-03-24 10:54:41,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 72 transitions, 562 flow [2021-03-24 10:54:41,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 72 transitions, 479 flow, removed 33 selfloop flow, removed 7 redundant places. [2021-03-24 10:54:41,272 INFO L241 Difference]: Finished difference. Result has 84 places, 63 transitions, 396 flow [2021-03-24 10:54:41,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=396, PETRI_PLACES=84, PETRI_TRANSITIONS=63} [2021-03-24 10:54:41,272 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 33 predicate places. [2021-03-24 10:54:41,272 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 63 transitions, 396 flow [2021-03-24 10:54:41,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:41,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:54:41,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:54:41,273 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:41,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:41,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2104450240, now seen corresponding path program 1 times [2021-03-24 10:54:41,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:41,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568025425] [2021-03-24 10:54:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:41,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:41,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:54:41,429 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 10:54:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 10:54:41,457 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-03-24 10:54:41,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 10:54:41,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:54:41,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:41,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568025425] [2021-03-24 10:54:41,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:41,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 10:54:41,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054910648] [2021-03-24 10:54:41,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 10:54:41,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:41,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 10:54:41,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 10:54:41,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 158 [2021-03-24 10:54:41,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 63 transitions, 396 flow. Second operand has 8 states, 8 states have (on average 116.75) internal successors, (934), 8 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:41,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 158 [2021-03-24 10:54:41,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:41,730 INFO L129 PetriNetUnfolder]: 176/636 cut-off events. [2021-03-24 10:54:41,730 INFO L130 PetriNetUnfolder]: For 2452/2626 co-relation queries the response was YES. [2021-03-24 10:54:41,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2626 conditions, 636 events. 176/636 cut-off events. For 2452/2626 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 5134 event pairs, 5 based on Foata normal form. 58/673 useless extension candidates. Maximal degree in co-relation 2579. Up to 149 conditions per place. [2021-03-24 10:54:41,735 INFO L132 encePairwiseOnDemand]: 150/158 looper letters, 17 selfloop transitions, 5 changer transitions 8/78 dead transitions. [2021-03-24 10:54:41,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 78 transitions, 534 flow [2021-03-24 10:54:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 10:54:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 10:54:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 948 transitions. [2021-03-24 10:54:41,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-03-24 10:54:41,738 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 948 transitions. [2021-03-24 10:54:41,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 948 transitions. [2021-03-24 10:54:41,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:41,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 948 transitions. [2021-03-24 10:54:41,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 118.5) internal successors, (948), 8 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,743 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,744 INFO L185 Difference]: Start difference. First operand has 84 places, 63 transitions, 396 flow. Second operand 8 states and 948 transitions. [2021-03-24 10:54:41,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 78 transitions, 534 flow [2021-03-24 10:54:41,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 78 transitions, 439 flow, removed 25 selfloop flow, removed 12 redundant places. [2021-03-24 10:54:41,762 INFO L241 Difference]: Finished difference. Result has 81 places, 65 transitions, 354 flow [2021-03-24 10:54:41,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=354, PETRI_PLACES=81, PETRI_TRANSITIONS=65} [2021-03-24 10:54:41,763 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 30 predicate places. [2021-03-24 10:54:41,763 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 65 transitions, 354 flow [2021-03-24 10:54:41,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 116.75) internal successors, (934), 8 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:41,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:54:41,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:54:41,765 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:41,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:41,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1518254794, now seen corresponding path program 2 times [2021-03-24 10:54:41,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:41,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805519448] [2021-03-24 10:54:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:54:41,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:54:41,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 10:54:41,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 10:54:41,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:54:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:54:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:54:41,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805519448] [2021-03-24 10:54:41,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:54:41,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:54:41,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84959491] [2021-03-24 10:54:41,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:54:41,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:54:41,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:54:41,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:54:41,885 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 158 [2021-03-24 10:54:41,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 65 transitions, 354 flow. Second operand has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:54:41,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 158 [2021-03-24 10:54:41,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:54:41,981 INFO L129 PetriNetUnfolder]: 129/512 cut-off events. [2021-03-24 10:54:41,981 INFO L130 PetriNetUnfolder]: For 968/1005 co-relation queries the response was YES. [2021-03-24 10:54:41,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 512 events. 129/512 cut-off events. For 968/1005 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 3922 event pairs, 3 based on Foata normal form. 32/519 useless extension candidates. Maximal degree in co-relation 1782. Up to 113 conditions per place. [2021-03-24 10:54:41,984 INFO L132 encePairwiseOnDemand]: 150/158 looper letters, 10 selfloop transitions, 13 changer transitions 10/75 dead transitions. [2021-03-24 10:54:41,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 75 transitions, 465 flow [2021-03-24 10:54:41,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 10:54:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 10:54:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 784 transitions. [2021-03-24 10:54:41,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8270042194092827 [2021-03-24 10:54:41,987 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 784 transitions. [2021-03-24 10:54:41,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 784 transitions. [2021-03-24 10:54:41,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:54:41,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 784 transitions. [2021-03-24 10:54:41,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,991 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:41,991 INFO L185 Difference]: Start difference. First operand has 81 places, 65 transitions, 354 flow. Second operand 6 states and 784 transitions. [2021-03-24 10:54:41,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 75 transitions, 465 flow [2021-03-24 10:54:41,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 75 transitions, 448 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-24 10:54:42,001 INFO L241 Difference]: Finished difference. Result has 81 places, 64 transitions, 378 flow [2021-03-24 10:54:42,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=81, PETRI_TRANSITIONS=64} [2021-03-24 10:54:42,001 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 30 predicate places. [2021-03-24 10:54:42,001 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 64 transitions, 378 flow [2021-03-24 10:54:42,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:54:42,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:54:42,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:54:42,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:54:42,002 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:54:42,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:54:42,002 INFO L82 PathProgramCache]: Analyzing trace with hash 751073472, now seen corresponding path program 3 times [2021-03-24 10:54:42,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:54:42,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273436948] [2021-03-24 10:54:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:54:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:54:42,048 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:54:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:54:42,106 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:54:42,149 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 10:54:42,149 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 10:54:42,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:54:42,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:54:42 BasicIcfg [2021-03-24 10:54:42,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:54:42,242 INFO L168 Benchmark]: Toolchain (without parser) took 7799.98 ms. Allocated memory was 255.9 MB in the beginning and 425.7 MB in the end (delta: 169.9 MB). Free memory was 232.6 MB in the beginning and 166.7 MB in the end (delta: 66.0 MB). Peak memory consumption was 234.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:54:42,243 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:54:42,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.30 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 232.2 MB in the beginning and 313.8 MB in the end (delta: -81.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:54:42,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.74 ms. Allocated memory is still 354.4 MB. Free memory was 313.8 MB in the beginning and 311.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:54:42,244 INFO L168 Benchmark]: Boogie Preprocessor took 54.85 ms. Allocated memory is still 354.4 MB. Free memory was 311.2 MB in the beginning and 309.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:54:42,244 INFO L168 Benchmark]: RCFGBuilder took 1948.75 ms. Allocated memory is still 354.4 MB. Free memory was 309.1 MB in the beginning and 301.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:54:42,244 INFO L168 Benchmark]: TraceAbstraction took 5107.83 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 301.8 MB in the beginning and 166.7 MB in the end (delta: 135.1 MB). Peak memory consumption was 206.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:54:42,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 615.30 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 232.2 MB in the beginning and 313.8 MB in the end (delta: -81.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 67.74 ms. Allocated memory is still 354.4 MB. Free memory was 313.8 MB in the beginning and 311.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 54.85 ms. Allocated memory is still 354.4 MB. Free memory was 311.2 MB in the beginning and 309.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1948.75 ms. Allocated memory is still 354.4 MB. Free memory was 309.1 MB in the beginning and 301.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5107.83 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 301.8 MB in the beginning and 166.7 MB in the end (delta: 135.1 MB). Peak memory consumption was 206.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2266.5ms, 103 PlacesBefore, 51 PlacesAfterwards, 95 TransitionsBefore, 42 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 4 FixpointIterations, 24 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 60 TotalNumberOfCompositions, 2879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1382, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 791, positive: 764, positive conditional: 0, positive unconditional: 764, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 791, positive: 764, positive conditional: 0, positive unconditional: 764, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1382, positive: 545, positive conditional: 0, positive unconditional: 545, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 791, unknown conditional: 0, unknown unconditional: 791] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p2_EAX = 0; [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L721] 0 int z = 0; [L722] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L723] 0 int z$mem_tmp; [L724] 0 _Bool z$r_buff0_thd0; [L725] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L726] 0 _Bool z$r_buff0_thd2; [L727] 0 _Bool z$r_buff0_thd3; [L728] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L732] 0 _Bool z$read_delayed; [L733] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L734] 0 int z$w_buff0; [L735] 0 _Bool z$w_buff0_used; [L736] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L737] 0 _Bool z$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L833] 0 pthread_t t1385; [L834] FCALL, FORK 0 pthread_create(&t1385, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L835] 0 pthread_t t1386; [L836] FCALL, FORK 0 pthread_create(&t1386, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L837] 0 pthread_t t1387; [L838] FCALL, FORK 0 pthread_create(&t1387, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L795] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L796] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L797] 3 z$flush_delayed = weak$$choice2 [L798] 3 z$mem_tmp = z [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L799] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L800] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L800] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L800] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L801] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L801] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L801] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L802] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L802] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L802] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L803] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L803] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L804] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L804] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L805] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L805] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 __unbuffered_p2_EAX = z [L807] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L807] 3 z = z$flush_delayed ? z$mem_tmp : z [L808] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 2 return 0; [L811] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L811] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L811] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L811] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L812] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L812] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L813] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L813] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L814] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L815] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L844] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L844] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L844] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L844] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L845] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L845] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L846] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L846] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L847] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L848] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4892.0ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1210.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2329.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 65 SDslu, 72 SDs, 0 SdLazy, 262 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 259.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 370.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=6, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 58.7ms SsaConstructionTime, 408.1ms SatisfiabilityAnalysisTime, 612.5ms InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...