/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 07:20:19,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 07:20:19,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 07:20:19,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 07:20:19,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 07:20:19,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 07:20:19,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 07:20:19,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 07:20:19,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 07:20:19,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 07:20:19,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 07:20:19,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 07:20:19,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 07:20:19,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 07:20:19,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 07:20:19,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 07:20:19,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 07:20:19,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 07:20:19,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 07:20:19,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 07:20:19,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 07:20:19,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 07:20:19,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 07:20:19,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 07:20:19,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 07:20:19,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 07:20:19,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 07:20:19,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 07:20:19,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 07:20:19,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 07:20:19,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 07:20:19,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 07:20:19,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 07:20:19,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 07:20:19,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 07:20:19,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 07:20:19,218 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-NoLbe.epf [2021-06-13 07:20:19,258 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 07:20:19,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 07:20:19,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 07:20:19,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 07:20:19,262 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 07:20:19,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 07:20:19,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 07:20:19,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 07:20:19,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 07:20:19,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 07:20:19,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 07:20:19,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 07:20:19,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 07:20:19,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 07:20:19,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 07:20:19,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 07:20:19,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 07:20:19,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 07:20:19,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 07:20:19,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 07:20:19,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 07:20:19,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 07:20:19,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 07:20:19,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 07:20:19,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 07:20:19,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 07:20:19,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 07:20:19,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 07:20:19,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 07:20:19,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 07:20:19,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 07:20:19,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 07:20:19,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 07:20:19,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 07:20:19,654 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 07:20:19,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i [2021-06-13 07:20:19,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700ad8c00/44d0998eeca14be7a9f081e138c5b256/FLAGce2baaee0 [2021-06-13 07:20:20,300 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 07:20:20,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i [2021-06-13 07:20:20,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700ad8c00/44d0998eeca14be7a9f081e138c5b256/FLAGce2baaee0 [2021-06-13 07:20:20,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700ad8c00/44d0998eeca14be7a9f081e138c5b256 [2021-06-13 07:20:20,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 07:20:20,728 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 07:20:20,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 07:20:20,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 07:20:20,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 07:20:20,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:20:20" (1/1) ... [2021-06-13 07:20:20,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279158ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:20, skipping insertion in model container [2021-06-13 07:20:20,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:20:20" (1/1) ... [2021-06-13 07:20:20,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 07:20:20,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 07:20:21,016 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i[951,964] [2021-06-13 07:20:21,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:20:21,258 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 07:20:21,272 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i[951,964] [2021-06-13 07:20:21,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:20:21,407 INFO L208 MainTranslator]: Completed translation [2021-06-13 07:20:21,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21 WrapperNode [2021-06-13 07:20:21,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 07:20:21,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 07:20:21,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 07:20:21,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 07:20:21,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 07:20:21,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 07:20:21,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 07:20:21,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 07:20:21,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (1/1) ... [2021-06-13 07:20:21,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 07:20:21,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 07:20:21,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 07:20:21,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 07:20:21,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (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 [2021-06-13 07:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 07:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 07:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 07:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 07:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 07:20:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 07:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 07:20:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 07:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 07:20:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 07:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-13 07:20:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-13 07:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 07:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 07:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 07:20:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 07:20:21,645 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 07:20:23,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 07:20:23,579 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-13 07:20:23,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:20:23 BoogieIcfgContainer [2021-06-13 07:20:23,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 07:20:23,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 07:20:23,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 07:20:23,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 07:20:23,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 07:20:20" (1/3) ... [2021-06-13 07:20:23,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2486c1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:20:23, skipping insertion in model container [2021-06-13 07:20:23,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:20:21" (2/3) ... [2021-06-13 07:20:23,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2486c1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:20:23, skipping insertion in model container [2021-06-13 07:20:23,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:20:23" (3/3) ... [2021-06-13 07:20:23,588 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_power.oepc.i [2021-06-13 07:20:23,594 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 07:20:23,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-13 07:20:23,595 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 07:20:23,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,640 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,649 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,650 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,650 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,650 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,650 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,650 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,650 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,651 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,651 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,654 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,654 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,655 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,655 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,659 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,707 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,714 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,715 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,716 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,717 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,718 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,723 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,724 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,724 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,732 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:20:23,741 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 07:20:23,758 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 07:20:23,772 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:20:23,772 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:20:23,772 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:20:23,772 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:20:23,773 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:20:23,773 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:20:23,773 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:20:23,773 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0======== [2021-06-13 07:20:23,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow [2021-06-13 07:20:23,817 INFO L129 PetriNetUnfolder]: 2/127 cut-off events. [2021-06-13 07:20:23,817 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:23,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-06-13 07:20:23,820 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 282 flow [2021-06-13 07:20:23,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-06-13 07:20:23,823 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-13 07:20:23,823 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:23,823 INFO L301 ceAbstractionStarter]: Result for error location P0 was SAFE (1/3) [2021-06-13 07:20:23,825 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-13 07:20:23,827 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:20:23,827 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:20:23,827 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:20:23,828 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:20:23,828 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:20:23,828 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:20:23,828 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:20:23,828 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 07:20:23,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow [2021-06-13 07:20:23,855 INFO L129 PetriNetUnfolder]: 2/127 cut-off events. [2021-06-13 07:20:23,855 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:23,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-06-13 07:20:23,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 282 flow [2021-06-13 07:20:23,858 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 113 transitions, 238 flow [2021-06-13 07:20:23,877 INFO L129 PetriNetUnfolder]: 1/112 cut-off events. [2021-06-13 07:20:23,877 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:23,877 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:23,878 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:23,878 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:23,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:23,882 INFO L82 PathProgramCache]: Analyzing trace with hash 29266930, now seen corresponding path program 1 times [2021-06-13 07:20:23,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:23,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024408434] [2021-06-13 07:20:23,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:24,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:24,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:24,277 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:20:24,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:20:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:24,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:24,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:24,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024408434] [2021-06-13 07:20:24,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024408434] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:24,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:24,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:20:24,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321505057] [2021-06-13 07:20:24,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:20:24,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:24,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:20:24,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:20:24,359 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 131 [2021-06-13 07:20:24,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 113 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 119.16666666666667) internal successors, (715), 6 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:24,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:24,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 131 [2021-06-13 07:20:24,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:24,542 INFO L129 PetriNetUnfolder]: 24/202 cut-off events. [2021-06-13 07:20:24,543 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:24,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 202 events. 24/202 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 536 event pairs, 5 based on Foata normal form. 6/204 useless extension candidates. Maximal degree in co-relation 221. Up to 31 conditions per place. [2021-06-13 07:20:24,547 INFO L132 encePairwiseOnDemand]: 123/131 looper letters, 8 selfloop transitions, 3 changer transitions 19/133 dead transitions. [2021-06-13 07:20:24,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 133 transitions, 338 flow [2021-06-13 07:20:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 07:20:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-13 07:20:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1096 transitions. [2021-06-13 07:20:24,566 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9296013570822731 [2021-06-13 07:20:24,566 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1096 transitions. [2021-06-13 07:20:24,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1096 transitions. [2021-06-13 07:20:24,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:24,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1096 transitions. [2021-06-13 07:20:24,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 121.77777777777777) internal successors, (1096), 9 states have internal predecessors, (1096), 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) [2021-06-13 07:20:24,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 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) [2021-06-13 07:20:24,587 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 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) [2021-06-13 07:20:24,589 INFO L185 Difference]: Start difference. First operand has 125 places, 113 transitions, 238 flow. Second operand 9 states and 1096 transitions. [2021-06-13 07:20:24,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 133 transitions, 338 flow [2021-06-13 07:20:24,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 133 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-13 07:20:24,597 INFO L241 Difference]: Finished difference. Result has 136 places, 114 transitions, 275 flow [2021-06-13 07:20:24,599 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=275, PETRI_PLACES=136, PETRI_TRANSITIONS=114} [2021-06-13 07:20:24,599 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 11 predicate places. [2021-06-13 07:20:24,599 INFO L482 AbstractCegarLoop]: Abstraction has has 136 places, 114 transitions, 275 flow [2021-06-13 07:20:24,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 119.16666666666667) internal successors, (715), 6 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:24,600 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:24,600 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:24,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 07:20:24,601 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:24,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:24,601 INFO L82 PathProgramCache]: Analyzing trace with hash 728110643, now seen corresponding path program 1 times [2021-06-13 07:20:24,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:24,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153905039] [2021-06-13 07:20:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:24,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:24,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:24,771 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-13 07:20:24,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 07:20:24,790 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:20:24,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:20:24,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:24,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:24,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:24,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:24,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:24,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153905039] [2021-06-13 07:20:24,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153905039] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:24,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:24,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:20:24,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260544519] [2021-06-13 07:20:24,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:20:24,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:24,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:20:24,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:20:24,839 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 131 [2021-06-13 07:20:24,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 114 transitions, 275 flow. Second operand has 7 states, 7 states have (on average 110.71428571428571) internal successors, (775), 7 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:24,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:24,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 131 [2021-06-13 07:20:24,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:25,499 INFO L129 PetriNetUnfolder]: 921/2099 cut-off events. [2021-06-13 07:20:25,499 INFO L130 PetriNetUnfolder]: For 1777/2142 co-relation queries the response was YES. [2021-06-13 07:20:25,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4716 conditions, 2099 events. 921/2099 cut-off events. For 1777/2142 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 14998 event pairs, 85 based on Foata normal form. 56/2115 useless extension candidates. Maximal degree in co-relation 4652. Up to 446 conditions per place. [2021-06-13 07:20:25,517 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 26 selfloop transitions, 7 changer transitions 59/186 dead transitions. [2021-06-13 07:20:25,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 186 transitions, 755 flow [2021-06-13 07:20:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 07:20:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 07:20:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1510 transitions. [2021-06-13 07:20:25,521 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8866705813270699 [2021-06-13 07:20:25,521 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1510 transitions. [2021-06-13 07:20:25,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1510 transitions. [2021-06-13 07:20:25,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:25,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1510 transitions. [2021-06-13 07:20:25,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.15384615384616) internal successors, (1510), 13 states have internal predecessors, (1510), 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) [2021-06-13 07:20:25,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:25,530 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:25,530 INFO L185 Difference]: Start difference. First operand has 136 places, 114 transitions, 275 flow. Second operand 13 states and 1510 transitions. [2021-06-13 07:20:25,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 186 transitions, 755 flow [2021-06-13 07:20:25,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 186 transitions, 720 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-06-13 07:20:25,541 INFO L241 Difference]: Finished difference. Result has 150 places, 119 transitions, 372 flow [2021-06-13 07:20:25,542 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=372, PETRI_PLACES=150, PETRI_TRANSITIONS=119} [2021-06-13 07:20:25,542 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 25 predicate places. [2021-06-13 07:20:25,542 INFO L482 AbstractCegarLoop]: Abstraction has has 150 places, 119 transitions, 372 flow [2021-06-13 07:20:25,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 110.71428571428571) internal successors, (775), 7 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:25,543 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:25,543 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:25,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 07:20:25,543 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:25,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:25,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1027285900, now seen corresponding path program 1 times [2021-06-13 07:20:25,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:25,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354477444] [2021-06-13 07:20:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:25,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:25,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:25,616 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-13 07:20:25,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 07:20:25,628 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:20:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:20:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:25,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:25,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:25,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:25,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:25,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354477444] [2021-06-13 07:20:25,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354477444] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:25,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:25,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:20:25,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232031441] [2021-06-13 07:20:25,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:20:25,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:25,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:20:25,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:20:25,669 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 131 [2021-06-13 07:20:25,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 119 transitions, 372 flow. Second operand has 7 states, 7 states have (on average 110.85714285714286) internal successors, (776), 7 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:25,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:25,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 131 [2021-06-13 07:20:25,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:26,279 INFO L129 PetriNetUnfolder]: 639/1916 cut-off events. [2021-06-13 07:20:26,279 INFO L130 PetriNetUnfolder]: For 6360/7486 co-relation queries the response was YES. [2021-06-13 07:20:26,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6501 conditions, 1916 events. 639/1916 cut-off events. For 6360/7486 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 15315 event pairs, 53 based on Foata normal form. 39/1932 useless extension candidates. Maximal degree in co-relation 6427. Up to 465 conditions per place. [2021-06-13 07:20:26,302 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 25 selfloop transitions, 19 changer transitions 52/190 dead transitions. [2021-06-13 07:20:26,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 190 transitions, 1192 flow [2021-06-13 07:20:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 07:20:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 07:20:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1507 transitions. [2021-06-13 07:20:26,306 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8849089841456254 [2021-06-13 07:20:26,306 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1507 transitions. [2021-06-13 07:20:26,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1507 transitions. [2021-06-13 07:20:26,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:26,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1507 transitions. [2021-06-13 07:20:26,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.92307692307692) internal successors, (1507), 13 states have internal predecessors, (1507), 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) [2021-06-13 07:20:26,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:26,313 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:26,313 INFO L185 Difference]: Start difference. First operand has 150 places, 119 transitions, 372 flow. Second operand 13 states and 1507 transitions. [2021-06-13 07:20:26,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 190 transitions, 1192 flow [2021-06-13 07:20:26,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 190 transitions, 1156 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-06-13 07:20:26,326 INFO L241 Difference]: Finished difference. Result has 161 places, 130 transitions, 563 flow [2021-06-13 07:20:26,326 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=563, PETRI_PLACES=161, PETRI_TRANSITIONS=130} [2021-06-13 07:20:26,326 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 36 predicate places. [2021-06-13 07:20:26,326 INFO L482 AbstractCegarLoop]: Abstraction has has 161 places, 130 transitions, 563 flow [2021-06-13 07:20:26,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 110.85714285714286) internal successors, (776), 7 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:26,327 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:26,327 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:26,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 07:20:26,327 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1254997427, now seen corresponding path program 1 times [2021-06-13 07:20:26,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:26,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970655512] [2021-06-13 07:20:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:26,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:26,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:26,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:26,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:26,395 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:20:26,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:20:26,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:20:26,425 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:20:26,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:26,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:26,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:26,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:26,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970655512] [2021-06-13 07:20:26,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970655512] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:26,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:26,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:20:26,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326627636] [2021-06-13 07:20:26,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:20:26,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:26,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:20:26,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:20:26,448 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-06-13 07:20:26,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 130 transitions, 563 flow. Second operand has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2021-06-13 07:20:26,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:26,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-06-13 07:20:26,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:27,575 INFO L129 PetriNetUnfolder]: 2605/5765 cut-off events. [2021-06-13 07:20:27,576 INFO L130 PetriNetUnfolder]: For 11065/11397 co-relation queries the response was YES. [2021-06-13 07:20:27,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14510 conditions, 5765 events. 2605/5765 cut-off events. For 11065/11397 co-relation queries the response was YES. Maximal size of possible extension queue 753. Compared 55629 event pairs, 336 based on Foata normal form. 70/5183 useless extension candidates. Maximal degree in co-relation 14426. Up to 1557 conditions per place. [2021-06-13 07:20:27,667 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 29 selfloop transitions, 20 changer transitions 0/167 dead transitions. [2021-06-13 07:20:27,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 167 transitions, 735 flow [2021-06-13 07:20:27,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 07:20:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-13 07:20:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1211 transitions. [2021-06-13 07:20:27,671 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9244274809160306 [2021-06-13 07:20:27,671 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1211 transitions. [2021-06-13 07:20:27,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1211 transitions. [2021-06-13 07:20:27,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:27,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1211 transitions. [2021-06-13 07:20:27,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.1) internal successors, (1211), 10 states have internal predecessors, (1211), 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) [2021-06-13 07:20:27,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 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) [2021-06-13 07:20:27,678 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 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) [2021-06-13 07:20:27,678 INFO L185 Difference]: Start difference. First operand has 161 places, 130 transitions, 563 flow. Second operand 10 states and 1211 transitions. [2021-06-13 07:20:27,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 167 transitions, 735 flow [2021-06-13 07:20:27,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 167 transitions, 711 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-06-13 07:20:27,709 INFO L241 Difference]: Finished difference. Result has 158 places, 148 transitions, 682 flow [2021-06-13 07:20:27,710 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=682, PETRI_PLACES=158, PETRI_TRANSITIONS=148} [2021-06-13 07:20:27,710 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 33 predicate places. [2021-06-13 07:20:27,710 INFO L482 AbstractCegarLoop]: Abstraction has has 158 places, 148 transitions, 682 flow [2021-06-13 07:20:27,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2021-06-13 07:20:27,711 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:27,711 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:27,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 07:20:27,711 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:27,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1907986756, now seen corresponding path program 1 times [2021-06-13 07:20:27,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:27,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837848314] [2021-06-13 07:20:27,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:27,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:27,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:27,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:27,778 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-13 07:20:27,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 07:20:27,791 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:20:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:20:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:27,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:27,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:27,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837848314] [2021-06-13 07:20:27,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837848314] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:27,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:27,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:20:27,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798752901] [2021-06-13 07:20:27,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:20:27,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:27,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:20:27,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:20:27,836 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 131 [2021-06-13 07:20:27,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 148 transitions, 682 flow. Second operand has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:27,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:27,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 131 [2021-06-13 07:20:27,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:29,245 INFO L129 PetriNetUnfolder]: 1798/6379 cut-off events. [2021-06-13 07:20:29,245 INFO L130 PetriNetUnfolder]: For 14893/17841 co-relation queries the response was YES. [2021-06-13 07:20:29,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20130 conditions, 6379 events. 1798/6379 cut-off events. For 14893/17841 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 73108 event pairs, 525 based on Foata normal form. 212/6126 useless extension candidates. Maximal degree in co-relation 20042. Up to 1886 conditions per place. [2021-06-13 07:20:29,417 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 62 selfloop transitions, 42 changer transitions 0/216 dead transitions. [2021-06-13 07:20:29,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 216 transitions, 1582 flow [2021-06-13 07:20:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 07:20:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 07:20:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1495 transitions. [2021-06-13 07:20:29,422 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8778625954198473 [2021-06-13 07:20:29,422 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1495 transitions. [2021-06-13 07:20:29,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1495 transitions. [2021-06-13 07:20:29,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:29,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1495 transitions. [2021-06-13 07:20:29,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.0) internal successors, (1495), 13 states have internal predecessors, (1495), 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) [2021-06-13 07:20:29,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:29,429 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:29,430 INFO L185 Difference]: Start difference. First operand has 158 places, 148 transitions, 682 flow. Second operand 13 states and 1495 transitions. [2021-06-13 07:20:29,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 216 transitions, 1582 flow [2021-06-13 07:20:29,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 216 transitions, 1580 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-13 07:20:29,464 INFO L241 Difference]: Finished difference. Result has 181 places, 179 transitions, 1255 flow [2021-06-13 07:20:29,464 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1255, PETRI_PLACES=181, PETRI_TRANSITIONS=179} [2021-06-13 07:20:29,464 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 56 predicate places. [2021-06-13 07:20:29,464 INFO L482 AbstractCegarLoop]: Abstraction has has 181 places, 179 transitions, 1255 flow [2021-06-13 07:20:29,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:29,465 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:29,465 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:29,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 07:20:29,465 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:29,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:29,466 INFO L82 PathProgramCache]: Analyzing trace with hash -2071134133, now seen corresponding path program 1 times [2021-06-13 07:20:29,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:29,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78550407] [2021-06-13 07:20:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:29,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:29,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:29,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:29,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:29,521 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:20:29,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:20:29,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:29,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:29,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:29,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:29,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:29,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:29,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:29,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78550407] [2021-06-13 07:20:29,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78550407] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:29,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:29,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:20:29,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858200384] [2021-06-13 07:20:29,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:20:29,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:29,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:20:29,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:20:29,560 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 131 [2021-06-13 07:20:29,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 179 transitions, 1255 flow. Second operand has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2021-06-13 07:20:29,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:29,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 131 [2021-06-13 07:20:29,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:30,941 INFO L129 PetriNetUnfolder]: 2251/8385 cut-off events. [2021-06-13 07:20:30,942 INFO L130 PetriNetUnfolder]: For 29707/33635 co-relation queries the response was YES. [2021-06-13 07:20:31,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27579 conditions, 8385 events. 2251/8385 cut-off events. For 29707/33635 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 104391 event pairs, 900 based on Foata normal form. 289/7967 useless extension candidates. Maximal degree in co-relation 27478. Up to 2712 conditions per place. [2021-06-13 07:20:31,069 INFO L132 encePairwiseOnDemand]: 125/131 looper letters, 26 selfloop transitions, 20 changer transitions 0/194 dead transitions. [2021-06-13 07:20:31,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 194 transitions, 1519 flow [2021-06-13 07:20:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 07:20:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-13 07:20:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 727 transitions. [2021-06-13 07:20:31,072 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9249363867684478 [2021-06-13 07:20:31,072 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 727 transitions. [2021-06-13 07:20:31,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 727 transitions. [2021-06-13 07:20:31,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:31,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 727 transitions. [2021-06-13 07:20:31,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 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) [2021-06-13 07:20:31,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:31,076 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:20:31,076 INFO L185 Difference]: Start difference. First operand has 181 places, 179 transitions, 1255 flow. Second operand 6 states and 727 transitions. [2021-06-13 07:20:31,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 194 transitions, 1519 flow [2021-06-13 07:20:31,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 194 transitions, 1447 flow, removed 36 selfloop flow, removed 0 redundant places. [2021-06-13 07:20:31,149 INFO L241 Difference]: Finished difference. Result has 190 places, 185 transitions, 1353 flow [2021-06-13 07:20:31,150 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1353, PETRI_PLACES=190, PETRI_TRANSITIONS=185} [2021-06-13 07:20:31,150 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 65 predicate places. [2021-06-13 07:20:31,150 INFO L482 AbstractCegarLoop]: Abstraction has has 190 places, 185 transitions, 1353 flow [2021-06-13 07:20:31,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2021-06-13 07:20:31,151 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:31,151 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:31,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-13 07:20:31,151 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:31,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:31,151 INFO L82 PathProgramCache]: Analyzing trace with hash 547619264, now seen corresponding path program 1 times [2021-06-13 07:20:31,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:31,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137410739] [2021-06-13 07:20:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:31,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:31,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:31,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:31,284 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:20:31,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:20:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:31,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:20:31,317 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:20:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:31,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:31,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:31,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:31,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137410739] [2021-06-13 07:20:31,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137410739] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:31,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:31,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:20:31,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29794068] [2021-06-13 07:20:31,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:20:31,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:31,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:20:31,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:20:31,330 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-06-13 07:20:31,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 185 transitions, 1353 flow. Second operand has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 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) [2021-06-13 07:20:31,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:31,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-06-13 07:20:31,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:33,476 INFO L129 PetriNetUnfolder]: 5452/12093 cut-off events. [2021-06-13 07:20:33,476 INFO L130 PetriNetUnfolder]: For 45682/56455 co-relation queries the response was YES. [2021-06-13 07:20:33,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47176 conditions, 12093 events. 5452/12093 cut-off events. For 45682/56455 co-relation queries the response was YES. Maximal size of possible extension queue 1634. Compared 133498 event pairs, 147 based on Foata normal form. 1321/12322 useless extension candidates. Maximal degree in co-relation 47070. Up to 5630 conditions per place. [2021-06-13 07:20:33,604 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 34 selfloop transitions, 38 changer transitions 6/227 dead transitions. [2021-06-13 07:20:33,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 227 transitions, 1777 flow [2021-06-13 07:20:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 07:20:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 07:20:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1576 transitions. [2021-06-13 07:20:33,608 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9254257193188491 [2021-06-13 07:20:33,608 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1576 transitions. [2021-06-13 07:20:33,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1576 transitions. [2021-06-13 07:20:33,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:33,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1576 transitions. [2021-06-13 07:20:33,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 121.23076923076923) internal successors, (1576), 13 states have internal predecessors, (1576), 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) [2021-06-13 07:20:33,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:33,615 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-06-13 07:20:33,615 INFO L185 Difference]: Start difference. First operand has 190 places, 185 transitions, 1353 flow. Second operand 13 states and 1576 transitions. [2021-06-13 07:20:33,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 227 transitions, 1777 flow [2021-06-13 07:20:33,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 227 transitions, 1735 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-06-13 07:20:33,767 INFO L241 Difference]: Finished difference. Result has 207 places, 199 transitions, 1520 flow [2021-06-13 07:20:33,767 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1520, PETRI_PLACES=207, PETRI_TRANSITIONS=199} [2021-06-13 07:20:33,768 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 82 predicate places. [2021-06-13 07:20:33,768 INFO L482 AbstractCegarLoop]: Abstraction has has 207 places, 199 transitions, 1520 flow [2021-06-13 07:20:33,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 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) [2021-06-13 07:20:33,768 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:33,768 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:33,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-13 07:20:33,769 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:33,769 INFO L82 PathProgramCache]: Analyzing trace with hash 59020608, now seen corresponding path program 1 times [2021-06-13 07:20:33,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:33,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473252712] [2021-06-13 07:20:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:33,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:33,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:33,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:33,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:33,905 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:20:33,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:20:33,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:33,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:20:33,934 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:20:33,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:33,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:33,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:33,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:33,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473252712] [2021-06-13 07:20:33,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473252712] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:33,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:33,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 07:20:33,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30679872] [2021-06-13 07:20:33,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 07:20:33,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 07:20:33,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-13 07:20:33,948 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-06-13 07:20:33,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 199 transitions, 1520 flow. Second operand has 8 states, 8 states have (on average 117.125) internal successors, (937), 8 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) [2021-06-13 07:20:33,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:33,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-06-13 07:20:33,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:35,936 INFO L129 PetriNetUnfolder]: 5127/11253 cut-off events. [2021-06-13 07:20:35,936 INFO L130 PetriNetUnfolder]: For 90030/112928 co-relation queries the response was YES. [2021-06-13 07:20:36,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59214 conditions, 11253 events. 5127/11253 cut-off events. For 90030/112928 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 123786 event pairs, 21 based on Foata normal form. 1964/12197 useless extension candidates. Maximal degree in co-relation 59100. Up to 5423 conditions per place. [2021-06-13 07:20:36,082 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 28 selfloop transitions, 58 changer transitions 31/247 dead transitions. [2021-06-13 07:20:36,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 247 transitions, 2222 flow [2021-06-13 07:20:36,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 07:20:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-13 07:20:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1941 transitions. [2021-06-13 07:20:36,087 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9260496183206107 [2021-06-13 07:20:36,087 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1941 transitions. [2021-06-13 07:20:36,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1941 transitions. [2021-06-13 07:20:36,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:36,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1941 transitions. [2021-06-13 07:20:36,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 121.3125) internal successors, (1941), 16 states have internal predecessors, (1941), 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) [2021-06-13 07:20:36,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 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) [2021-06-13 07:20:36,096 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 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) [2021-06-13 07:20:36,096 INFO L185 Difference]: Start difference. First operand has 207 places, 199 transitions, 1520 flow. Second operand 16 states and 1941 transitions. [2021-06-13 07:20:36,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 247 transitions, 2222 flow [2021-06-13 07:20:36,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 247 transitions, 2097 flow, removed 50 selfloop flow, removed 5 redundant places. [2021-06-13 07:20:36,790 INFO L241 Difference]: Finished difference. Result has 221 places, 206 transitions, 1636 flow [2021-06-13 07:20:36,790 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1636, PETRI_PLACES=221, PETRI_TRANSITIONS=206} [2021-06-13 07:20:36,790 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 96 predicate places. [2021-06-13 07:20:36,790 INFO L482 AbstractCegarLoop]: Abstraction has has 221 places, 206 transitions, 1636 flow [2021-06-13 07:20:36,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 117.125) internal successors, (937), 8 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) [2021-06-13 07:20:36,791 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:36,791 INFO L255 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, 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, 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] [2021-06-13 07:20:36,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-13 07:20:36,791 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:36,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:36,792 INFO L82 PathProgramCache]: Analyzing trace with hash -469415408, now seen corresponding path program 1 times [2021-06-13 07:20:36,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:36,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295626401] [2021-06-13 07:20:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:36,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:36,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:36,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:36,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:36,900 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:20:36,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:20:36,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:20:36,924 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:20:36,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:20:36,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:36,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:36,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295626401] [2021-06-13 07:20:36,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295626401] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:36,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:36,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-13 07:20:36,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730267377] [2021-06-13 07:20:36,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 07:20:36,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:36,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 07:20:36,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-13 07:20:36,939 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-06-13 07:20:36,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 206 transitions, 1636 flow. Second operand has 9 states, 9 states have (on average 117.11111111111111) internal successors, (1054), 9 states have internal predecessors, (1054), 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) [2021-06-13 07:20:36,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:36,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-06-13 07:20:36,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:39,025 INFO L129 PetriNetUnfolder]: 4690/10608 cut-off events. [2021-06-13 07:20:39,025 INFO L130 PetriNetUnfolder]: For 90908/108331 co-relation queries the response was YES. [2021-06-13 07:20:39,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55570 conditions, 10608 events. 4690/10608 cut-off events. For 90908/108331 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 119482 event pairs, 6 based on Foata normal form. 1714/11305 useless extension candidates. Maximal degree in co-relation 55513. Up to 3511 conditions per place. [2021-06-13 07:20:39,152 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 22 selfloop transitions, 63 changer transitions 26/241 dead transitions. [2021-06-13 07:20:39,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 241 transitions, 2169 flow [2021-06-13 07:20:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 07:20:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-13 07:20:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2286 transitions. [2021-06-13 07:20:39,157 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9184411410204901 [2021-06-13 07:20:39,157 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2286 transitions. [2021-06-13 07:20:39,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2286 transitions. [2021-06-13 07:20:39,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:39,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2286 transitions. [2021-06-13 07:20:39,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 120.3157894736842) internal successors, (2286), 19 states have internal predecessors, (2286), 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) [2021-06-13 07:20:39,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 131.0) internal successors, (2620), 20 states have internal predecessors, (2620), 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) [2021-06-13 07:20:39,169 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 131.0) internal successors, (2620), 20 states have internal predecessors, (2620), 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) [2021-06-13 07:20:39,169 INFO L185 Difference]: Start difference. First operand has 221 places, 206 transitions, 1636 flow. Second operand 19 states and 2286 transitions. [2021-06-13 07:20:39,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 241 transitions, 2169 flow [2021-06-13 07:20:41,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 241 transitions, 1634 flow, removed 223 selfloop flow, removed 29 redundant places. [2021-06-13 07:20:41,239 INFO L241 Difference]: Finished difference. Result has 205 places, 205 transitions, 1344 flow [2021-06-13 07:20:41,240 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1173, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1344, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2021-06-13 07:20:41,240 INFO L335 CegarLoopForPetriNet]: 125 programPoint places, 80 predicate places. [2021-06-13 07:20:41,240 INFO L482 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 1344 flow [2021-06-13 07:20:41,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 117.11111111111111) internal successors, (1054), 9 states have internal predecessors, (1054), 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) [2021-06-13 07:20:41,241 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:41,241 INFO L255 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, 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, 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] [2021-06-13 07:20:41,241 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-13 07:20:41,241 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:41,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:41,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1979118472, now seen corresponding path program 1 times [2021-06-13 07:20:41,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:41,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205694143] [2021-06-13 07:20:41,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-13 07:20:41,314 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-13 07:20:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-13 07:20:41,383 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-13 07:20:41,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-13 07:20:41,426 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-13 07:20:41,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-13 07:20:41,426 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-13 07:20:41,428 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 07:20:41,429 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:20:41,429 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:20:41,429 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:20:41,429 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:20:41,429 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:20:41,430 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:20:41,430 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:20:41,430 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0Thread1of1ForFork1======== [2021-06-13 07:20:41,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow [2021-06-13 07:20:41,442 INFO L129 PetriNetUnfolder]: 2/127 cut-off events. [2021-06-13 07:20:41,442 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:41,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-06-13 07:20:41,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 282 flow [2021-06-13 07:20:41,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 127 transitions, 266 flow [2021-06-13 07:20:41,447 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-06-13 07:20:41,447 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:41,447 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:20:41,447 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:20:41,447 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:20:41,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:20:41,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1057987594, now seen corresponding path program 1 times [2021-06-13 07:20:41,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:20:41,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237372184] [2021-06-13 07:20:41,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:20:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:20:41,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:41,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:20:41,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:20:41,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:20:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:20:41,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:20:41,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237372184] [2021-06-13 07:20:41,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237372184] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:20:41,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:20:41,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 07:20:41,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604465385] [2021-06-13 07:20:41,477 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 07:20:41,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:20:41,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 07:20:41,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 07:20:41,478 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 131 [2021-06-13 07:20:41,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 127 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2021-06-13 07:20:41,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:20:41,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 131 [2021-06-13 07:20:41,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:20:41,575 INFO L129 PetriNetUnfolder]: 133/488 cut-off events. [2021-06-13 07:20:41,576 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:20:41,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 488 events. 133/488 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2579 event pairs, 110 based on Foata normal form. 52/510 useless extension candidates. Maximal degree in co-relation 653. Up to 153 conditions per place. [2021-06-13 07:20:41,578 INFO L132 encePairwiseOnDemand]: 126/131 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2021-06-13 07:20:41,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 128 transitions, 294 flow [2021-06-13 07:20:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 07:20:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-13 07:20:41,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2021-06-13 07:20:41,580 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9541984732824428 [2021-06-13 07:20:41,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 375 transitions. [2021-06-13 07:20:41,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions. [2021-06-13 07:20:41,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:20:41,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions. [2021-06-13 07:20:41,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2021-06-13 07:20:41,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2021-06-13 07:20:41,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2021-06-13 07:20:41,582 INFO L185 Difference]: Start difference. First operand has 138 places, 127 transitions, 266 flow. Second operand 3 states and 375 transitions. [2021-06-13 07:20:41,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 128 transitions, 294 flow [2021-06-13 07:20:41,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 128 transitions, 290 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-13 07:20:41,584 INFO L241 Difference]: Finished difference. Result has 134 places, 0 transitions, 0 flow [2021-06-13 07:20:41,585 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=134, PETRI_TRANSITIONS=0} [2021-06-13 07:20:41,585 INFO L335 CegarLoopForPetriNet]: 138 programPoint places, -4 predicate places. [2021-06-13 07:20:41,585 INFO L482 AbstractCegarLoop]: Abstraction has has 134 places, 0 transitions, 0 flow [2021-06-13 07:20:41,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2021-06-13 07:20:41,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-13 07:20:41,586 INFO L301 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE (3/3) [2021-06-13 07:20:41,586 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 07:20:41,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 07:20:41 BasicIcfg [2021-06-13 07:20:41,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 07:20:41,763 INFO L168 Benchmark]: Toolchain (without parser) took 21035.28 ms. Allocated memory was 206.6 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 170.1 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 903.8 MB. Max. memory is 8.0 GB. [2021-06-13 07:20:41,764 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 206.6 MB. Free memory is still 188.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:20:41,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.31 ms. Allocated memory is still 206.6 MB. Free memory was 169.9 MB in the beginning and 164.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-13 07:20:41,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.15 ms. Allocated memory is still 206.6 MB. Free memory was 164.0 MB in the beginning and 161.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:20:41,764 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory is still 206.6 MB. Free memory was 161.6 MB in the beginning and 159.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:20:41,765 INFO L168 Benchmark]: RCFGBuilder took 2028.62 ms. Allocated memory was 206.6 MB in the beginning and 248.5 MB in the end (delta: 41.9 MB). Free memory was 159.1 MB in the beginning and 102.5 MB in the end (delta: 56.6 MB). Peak memory consumption was 99.3 MB. Max. memory is 8.0 GB. [2021-06-13 07:20:41,765 INFO L168 Benchmark]: TraceAbstraction took 18179.98 ms. Allocated memory was 248.5 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 101.9 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 792.6 MB. Max. memory is 8.0 GB. [2021-06-13 07:20:41,766 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 206.6 MB. Free memory is still 188.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 678.31 ms. Allocated memory is still 206.6 MB. Free memory was 169.9 MB in the beginning and 164.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 82.15 ms. Allocated memory is still 206.6 MB. Free memory was 164.0 MB in the beginning and 161.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.96 ms. Allocated memory is still 206.6 MB. Free memory was 161.6 MB in the beginning and 159.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2028.62 ms. Allocated memory was 206.6 MB in the beginning and 248.5 MB in the end (delta: 41.9 MB). Free memory was 159.1 MB in the beginning and 102.5 MB in the end (delta: 56.6 MB). Peak memory consumption was 99.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18179.98 ms. Allocated memory was 248.5 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 101.9 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 792.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L718] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L720] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L721] 0 _Bool b$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0] [L722] 0 int b$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0] [L723] 0 _Bool b$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0] [L724] 0 _Bool b$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0] [L725] 0 _Bool b$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0] [L726] 0 _Bool b$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0] [L727] 0 _Bool b$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0] [L728] 0 _Bool b$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0] [L729] 0 _Bool b$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0] [L730] 0 _Bool b$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0] [L731] 0 _Bool b$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0] [L732] 0 _Bool b$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0] [L733] 0 _Bool b$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0] [L734] 0 int *b$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}] [L735] 0 int b$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0] [L736] 0 _Bool b$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0] [L737] 0 int b$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0] [L738] 0 _Bool b$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0] [L739] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0] [L740] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L742] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L744] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L746] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L869] 0 pthread_t t1217; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] FCALL, FORK 0 pthread_create(&t1217, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t1218; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L872] FCALL, FORK 0 pthread_create(&t1218, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t1219; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L874] FCALL, FORK 0 pthread_create(&t1219, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t1220; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L876] FCALL, FORK 0 pthread_create(&t1220, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 b$w_buff1 = b$w_buff0 [L753] 1 b$w_buff0 = 1 [L754] 1 b$w_buff1_used = b$w_buff0_used [L755] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L758] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L759] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L760] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L761] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L762] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L805] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L822] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L825] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L828] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 b$flush_delayed = weak$$choice2 [L834] 4 b$mem_tmp = b [L835] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L835] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L836] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L836] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L837] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L837] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L838] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L838] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L840] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = b [L843] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L843] 4 b = b$flush_delayed ? b$mem_tmp : b [L844] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L788] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L788] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L789] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L789] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L790] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L791] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L791] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L792] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L768] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L769] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L770] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L771] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L772] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L808] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L808] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L809] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L809] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L810] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L811] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L811] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L812] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L847] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L847] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L848] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L848] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L849] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L850] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L850] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L851] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L882] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L882] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L882] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L882] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L883] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L883] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L884] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L885] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L885] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L886] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0 with 1 thread instances CFG has 9 procedures, 169 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 54.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 169 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 18.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 17599.6ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 15686.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 164 SDtfs, 390 SDslu, 539 SDs, 0 SdLazy, 546 SolverSat, 180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 606.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1436.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1636occurred in iteration=8, InterpolantAutomatonStates: 112, 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: 45.9ms SsaConstructionTime, 473.3ms SatisfiabilityAnalysisTime, 1055.3ms InterpolantComputationTime, 890 NumberOfCodeBlocks, 890 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 2041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 169 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 156.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 107.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 1.0ms SsaConstructionTime, 3.1ms SatisfiabilityAnalysisTime, 20.6ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...