/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 21:04:43,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 21:04:43,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 21:04:43,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 21:04:43,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 21:04:43,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 21:04:43,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 21:04:43,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 21:04:43,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 21:04:43,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 21:04:43,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 21:04:43,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 21:04:43,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 21:04:43,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 21:04:43,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 21:04:43,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 21:04:43,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 21:04:43,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 21:04:43,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 21:04:43,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 21:04:43,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 21:04:43,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 21:04:43,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 21:04:43,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 21:04:43,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 21:04:43,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 21:04:43,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 21:04:43,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 21:04:43,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 21:04:43,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 21:04:43,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 21:04:43,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 21:04:43,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 21:04:43,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 21:04:43,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 21:04:43,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 21:04:43,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 21:04:43,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 21:04:43,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 21:04:43,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 21:04:43,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 21:04:43,320 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-SemanticLbe.epf [2021-06-10 21:04:43,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 21:04:43,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 21:04:43,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 21:04:43,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 21:04:43,334 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 21:04:43,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 21:04:43,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 21:04:43,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 21:04:43,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 21:04:43,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 21:04:43,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 21:04:43,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 21:04:43,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 21:04:43,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 21:04:43,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 21:04:43,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 21:04:43,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 21:04:43,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 21:04:43,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 21:04:43,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 21:04:43,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 21:04:43,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 21:04:43,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 21:04:43,583 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 21:04:43,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i [2021-06-10 21:04:43,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3826da325/50d3f45a399f456b991fd09d0a7b14da/FLAG332c47755 [2021-06-10 21:04:44,058 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 21:04:44,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i [2021-06-10 21:04:44,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3826da325/50d3f45a399f456b991fd09d0a7b14da/FLAG332c47755 [2021-06-10 21:04:44,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3826da325/50d3f45a399f456b991fd09d0a7b14da [2021-06-10 21:04:44,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 21:04:44,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 21:04:44,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 21:04:44,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 21:04:44,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 21:04:44,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9e5dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44, skipping insertion in model container [2021-06-10 21:04:44,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 21:04:44,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 21:04:44,228 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i[950,963] [2021-06-10 21:04:44,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 21:04:44,404 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 21:04:44,412 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i[950,963] [2021-06-10 21:04:44,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 21:04:44,501 INFO L208 MainTranslator]: Completed translation [2021-06-10 21:04:44,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44 WrapperNode [2021-06-10 21:04:44,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 21:04:44,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 21:04:44,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 21:04:44,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 21:04:44,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 21:04:44,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 21:04:44,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 21:04:44,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 21:04:44,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (1/1) ... [2021-06-10 21:04:44,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 21:04:44,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 21:04:44,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 21:04:44,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 21:04:44,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (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 [2021-06-10 21:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 21:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 21:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 21:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 21:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 21:04:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 21:04:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 21:04:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 21:04:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 21:04:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 21:04:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 21:04:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 21:04:44,650 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 21:04:45,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 21:04:45,880 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 21:04:45,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 09:04:45 BoogieIcfgContainer [2021-06-10 21:04:45,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 21:04:45,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 21:04:45,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 21:04:45,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 21:04:45,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 09:04:44" (1/3) ... [2021-06-10 21:04:45,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db29507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 09:04:45, skipping insertion in model container [2021-06-10 21:04:45,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:04:44" (2/3) ... [2021-06-10 21:04:45,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db29507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 09:04:45, skipping insertion in model container [2021-06-10 21:04:45,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 09:04:45" (3/3) ... [2021-06-10 21:04:45,888 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_power.opt.i [2021-06-10 21:04:45,892 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 21:04:45,895 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 21:04:45,896 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 21:04:45,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,927 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,927 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,927 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:04:45,955 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 21:04:45,967 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-10 21:04:45,986 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 21:04:45,987 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 21:04:45,987 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 21:04:45,987 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 21:04:45,987 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 21:04:45,987 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 21:04:45,987 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 21:04:45,987 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 21:04:45,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-06-10 21:04:46,022 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-06-10 21:04:46,022 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:04:46,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-06-10 21:04:46,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-06-10 21:04:46,037 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-06-10 21:04:46,038 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 21:04:46,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-06-10 21:04:46,050 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-06-10 21:04:46,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-06-10 21:04:46,068 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-06-10 21:04:46,068 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:04:46,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-06-10 21:04:46,071 INFO L151 LiptonReduction]: Number of co-enabled transitions 992 [2021-06-10 21:04:46,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,350 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 21:04:46,350 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:04:46,373 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:46,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:46,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:46,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:46,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:46,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:46,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:46,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,083 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 21:04:47,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:47,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:47,681 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-10 21:04:48,035 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-10 21:04:48,140 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-10 21:04:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:48,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-10 21:04:48,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,163 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-10 21:04:48,163 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:04:48,165 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,167 INFO L147 QuantifierPusher]: treesize reduction 50, result has 50.0 percent of original size 50 [2021-06-10 21:04:48,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:48,168 INFO L142 QuantifierPusher]: treesize reduction 50, result has 68.8 percent of original size [2021-06-10 21:04:48,169 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 1] term [2021-06-10 21:04:48,169 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:04:48,170 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,172 INFO L147 QuantifierPusher]: treesize reduction 76, result has 39.7 percent of original size 50 [2021-06-10 21:04:48,172 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2021-06-10 21:04:48,173 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:04:48,175 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,180 INFO L147 QuantifierPusher]: treesize reduction 141, result has 44.3 percent of original size 112 [2021-06-10 21:04:48,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:48,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:48,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:48,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:48,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 21:04:48,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 21:04:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:48,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,646 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-10 21:04:48,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:48,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:48,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:49,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:49,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:49,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:49,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:49,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:49,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:49,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:49,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:49,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:49,878 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-06-10 21:04:49,987 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-10 21:04:50,245 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-06-10 21:04:50,361 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-10 21:04:50,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:04:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:50,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:04:50,403 INFO L163 LiptonReduction]: Checked pairs total: 2978 [2021-06-10 21:04:50,403 INFO L165 LiptonReduction]: Total number of compositions: 82 [2021-06-10 21:04:50,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4368 [2021-06-10 21:04:50,409 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2021-06-10 21:04:50,410 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:04:50,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:50,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-10 21:04:50,410 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:50,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:50,414 INFO L82 PathProgramCache]: Analyzing trace with hash 927832, now seen corresponding path program 1 times [2021-06-10 21:04:50,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:50,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959183496] [2021-06-10 21:04:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:04:50,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:04:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:04:50,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959183496] [2021-06-10 21:04:50,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:04:50,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 21:04:50,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470825389] [2021-06-10 21:04:50,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 21:04:50,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:04:50,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 21:04:50,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 21:04:50,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 164 [2021-06-10 21:04:50,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2021-06-10 21:04:50,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:04:50,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 164 [2021-06-10 21:04:50,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:04:50,556 INFO L129 PetriNetUnfolder]: 16/60 cut-off events. [2021-06-10 21:04:50,556 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:04:50,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 60 events. 16/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 213 event pairs, 2 based on Foata normal form. 18/72 useless extension candidates. Maximal degree in co-relation 93. Up to 27 conditions per place. [2021-06-10 21:04:50,557 INFO L132 encePairwiseOnDemand]: 159/164 looper letters, 7 selfloop transitions, 2 changer transitions 1/22 dead transitions. [2021-06-10 21:04:50,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 68 flow [2021-06-10 21:04:50,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 21:04:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 21:04:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2021-06-10 21:04:50,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8211382113821138 [2021-06-10 21:04:50,567 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 404 transitions. [2021-06-10 21:04:50,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 404 transitions. [2021-06-10 21:04:50,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:04:50,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 404 transitions. [2021-06-10 21:04:50,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-06-10 21:04:50,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-06-10 21:04:50,577 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-06-10 21:04:50,578 INFO L185 Difference]: Start difference. First operand has 28 places, 22 transitions, 50 flow. Second operand 3 states and 404 transitions. [2021-06-10 21:04:50,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 68 flow [2021-06-10 21:04:50,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 21:04:50,580 INFO L241 Difference]: Finished difference. Result has 26 places, 18 transitions, 44 flow [2021-06-10 21:04:50,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=44, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2021-06-10 21:04:50,582 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2021-06-10 21:04:50,582 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 44 flow [2021-06-10 21:04:50,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2021-06-10 21:04:50,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:50,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:04:50,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 21:04:50,583 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:50,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2068804648, now seen corresponding path program 1 times [2021-06-10 21:04:50,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:50,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474649518] [2021-06-10 21:04:50,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:04:50,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-10 21:04:50,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:04:50,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474649518] [2021-06-10 21:04:50,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:04:50,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 21:04:50,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045194693] [2021-06-10 21:04:50,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 21:04:50,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:04:50,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 21:04:50,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 21:04:50,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 164 [2021-06-10 21:04:50,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2021-06-10 21:04:50,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:04:50,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 164 [2021-06-10 21:04:50,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:04:50,670 INFO L129 PetriNetUnfolder]: 22/97 cut-off events. [2021-06-10 21:04:50,670 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:04:50,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 97 events. 22/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 461 event pairs, 8 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 153. Up to 31 conditions per place. [2021-06-10 21:04:50,671 INFO L132 encePairwiseOnDemand]: 157/164 looper letters, 4 selfloop transitions, 5 changer transitions 2/22 dead transitions. [2021-06-10 21:04:50,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 74 flow [2021-06-10 21:04:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 21:04:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 21:04:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2021-06-10 21:04:50,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.774390243902439 [2021-06-10 21:04:50,675 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2021-06-10 21:04:50,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2021-06-10 21:04:50,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:04:50,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2021-06-10 21:04:50,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2021-06-10 21:04:50,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-06-10 21:04:50,678 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-06-10 21:04:50,678 INFO L185 Difference]: Start difference. First operand has 26 places, 18 transitions, 44 flow. Second operand 3 states and 381 transitions. [2021-06-10 21:04:50,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 74 flow [2021-06-10 21:04:50,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 22 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 21:04:50,679 INFO L241 Difference]: Finished difference. Result has 27 places, 20 transitions, 72 flow [2021-06-10 21:04:50,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=27, PETRI_TRANSITIONS=20} [2021-06-10 21:04:50,679 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -1 predicate places. [2021-06-10 21:04:50,679 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 72 flow [2021-06-10 21:04:50,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2021-06-10 21:04:50,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:50,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:04:50,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 21:04:50,680 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:50,680 INFO L82 PathProgramCache]: Analyzing trace with hash 290072237, now seen corresponding path program 1 times [2021-06-10 21:04:50,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:50,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468385168] [2021-06-10 21:04:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:04:50,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:04:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:04:50,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468385168] [2021-06-10 21:04:50,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:04:50,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 21:04:50,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763525117] [2021-06-10 21:04:50,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 21:04:50,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:04:50,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 21:04:50,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 21:04:50,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 164 [2021-06-10 21:04:50,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-06-10 21:04:50,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:04:50,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 164 [2021-06-10 21:04:50,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:04:50,758 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2021-06-10 21:04:50,759 INFO L130 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2021-06-10 21:04:50,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 45 events. 5/45 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 133 event pairs, 2 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 83. Up to 16 conditions per place. [2021-06-10 21:04:50,759 INFO L132 encePairwiseOnDemand]: 161/164 looper letters, 1 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2021-06-10 21:04:50,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 20 transitions, 80 flow [2021-06-10 21:04:50,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 21:04:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 21:04:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2021-06-10 21:04:50,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8252032520325203 [2021-06-10 21:04:50,760 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 406 transitions. [2021-06-10 21:04:50,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 406 transitions. [2021-06-10 21:04:50,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:04:50,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 406 transitions. [2021-06-10 21:04:50,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2021-06-10 21:04:50,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-06-10 21:04:50,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-06-10 21:04:50,763 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 72 flow. Second operand 3 states and 406 transitions. [2021-06-10 21:04:50,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 20 transitions, 80 flow [2021-06-10 21:04:50,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 20 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 21:04:50,764 INFO L241 Difference]: Finished difference. Result has 27 places, 20 transitions, 73 flow [2021-06-10 21:04:50,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=27, PETRI_TRANSITIONS=20} [2021-06-10 21:04:50,764 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -1 predicate places. [2021-06-10 21:04:50,764 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 73 flow [2021-06-10 21:04:50,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-06-10 21:04:50,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:50,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:04:50,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 21:04:50,765 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:50,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:50,765 INFO L82 PathProgramCache]: Analyzing trace with hash 448575293, now seen corresponding path program 1 times [2021-06-10 21:04:50,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:50,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343701666] [2021-06-10 21:04:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:04:50,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:04:50,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 21:04:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:04:50,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343701666] [2021-06-10 21:04:50,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:04:50,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 21:04:50,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395287891] [2021-06-10 21:04:50,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 21:04:50,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:04:50,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 21:04:50,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 21:04:50,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 164 [2021-06-10 21:04:50,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 73 flow. Second operand has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2021-06-10 21:04:50,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:04:50,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 164 [2021-06-10 21:04:50,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:04:50,857 INFO L129 PetriNetUnfolder]: 26/98 cut-off events. [2021-06-10 21:04:50,857 INFO L130 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2021-06-10 21:04:50,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 98 events. 26/98 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 434 event pairs, 6 based on Foata normal form. 9/88 useless extension candidates. Maximal degree in co-relation 194. Up to 37 conditions per place. [2021-06-10 21:04:50,860 INFO L132 encePairwiseOnDemand]: 158/164 looper letters, 4 selfloop transitions, 7 changer transitions 3/28 dead transitions. [2021-06-10 21:04:50,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 117 flow [2021-06-10 21:04:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 21:04:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 21:04:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 636 transitions. [2021-06-10 21:04:50,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.775609756097561 [2021-06-10 21:04:50,861 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 636 transitions. [2021-06-10 21:04:50,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 636 transitions. [2021-06-10 21:04:50,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:04:50,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 636 transitions. [2021-06-10 21:04:50,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 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) [2021-06-10 21:04:50,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-06-10 21:04:50,865 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-06-10 21:04:50,865 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 73 flow. Second operand 5 states and 636 transitions. [2021-06-10 21:04:50,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 117 flow [2021-06-10 21:04:50,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 111 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 21:04:50,866 INFO L241 Difference]: Finished difference. Result has 32 places, 25 transitions, 113 flow [2021-06-10 21:04:50,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=113, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2021-06-10 21:04:50,867 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 4 predicate places. [2021-06-10 21:04:50,867 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 113 flow [2021-06-10 21:04:50,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2021-06-10 21:04:50,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:50,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:04:50,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 21:04:50,867 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash -452602470, now seen corresponding path program 1 times [2021-06-10 21:04:50,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:50,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229858846] [2021-06-10 21:04:50,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:04:50,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:04:50,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:04:50,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 21:04:50,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:50,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:04:50,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229858846] [2021-06-10 21:04:50,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:04:50,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 21:04:50,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247931609] [2021-06-10 21:04:50,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:04:50,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:04:50,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:04:50,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:04:50,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 164 [2021-06-10 21:04:50,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 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) [2021-06-10 21:04:50,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:04:50,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 164 [2021-06-10 21:04:50,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:04:51,019 INFO L129 PetriNetUnfolder]: 12/70 cut-off events. [2021-06-10 21:04:51,019 INFO L130 PetriNetUnfolder]: For 79/153 co-relation queries the response was YES. [2021-06-10 21:04:51,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 70 events. 12/70 cut-off events. For 79/153 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 267 event pairs, 0 based on Foata normal form. 26/89 useless extension candidates. Maximal degree in co-relation 205. Up to 25 conditions per place. [2021-06-10 21:04:51,020 INFO L132 encePairwiseOnDemand]: 158/164 looper letters, 2 selfloop transitions, 10 changer transitions 3/29 dead transitions. [2021-06-10 21:04:51,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 162 flow [2021-06-10 21:04:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 21:04:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 21:04:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 885 transitions. [2021-06-10 21:04:51,022 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7709059233449478 [2021-06-10 21:04:51,022 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 885 transitions. [2021-06-10 21:04:51,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 885 transitions. [2021-06-10 21:04:51,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:04:51,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 885 transitions. [2021-06-10 21:04:51,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 126.42857142857143) internal successors, (885), 7 states have internal predecessors, (885), 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) [2021-06-10 21:04:51,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 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) [2021-06-10 21:04:51,026 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 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) [2021-06-10 21:04:51,026 INFO L185 Difference]: Start difference. First operand has 32 places, 25 transitions, 113 flow. Second operand 7 states and 885 transitions. [2021-06-10 21:04:51,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 162 flow [2021-06-10 21:04:51,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 157 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-10 21:04:51,027 INFO L241 Difference]: Finished difference. Result has 40 places, 26 transitions, 147 flow [2021-06-10 21:04:51,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=147, PETRI_PLACES=40, PETRI_TRANSITIONS=26} [2021-06-10 21:04:51,028 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 12 predicate places. [2021-06-10 21:04:51,028 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 26 transitions, 147 flow [2021-06-10 21:04:51,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 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) [2021-06-10 21:04:51,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:51,030 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:04:51,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 21:04:51,030 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:51,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:51,030 INFO L82 PathProgramCache]: Analyzing trace with hash 661539582, now seen corresponding path program 1 times [2021-06-10 21:04:51,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:51,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154997720] [2021-06-10 21:04:51,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:04:51,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:51,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:04:51,129 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-10 21:04:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 21:04:51,141 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size [2021-06-10 21:04:51,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 21:04:51,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:04:51,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:04:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:04:51,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154997720] [2021-06-10 21:04:51,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:04:51,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 21:04:51,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356349661] [2021-06-10 21:04:51,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:04:51,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:04:51,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:04:51,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:04:51,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 164 [2021-06-10 21:04:51,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 26 transitions, 147 flow. Second operand has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 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) [2021-06-10 21:04:51,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:04:51,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 164 [2021-06-10 21:04:51,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:04:51,268 INFO L129 PetriNetUnfolder]: 28/129 cut-off events. [2021-06-10 21:04:51,268 INFO L130 PetriNetUnfolder]: For 446/516 co-relation queries the response was YES. [2021-06-10 21:04:51,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 129 events. 28/129 cut-off events. For 446/516 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 636 event pairs, 1 based on Foata normal form. 32/151 useless extension candidates. Maximal degree in co-relation 436. Up to 44 conditions per place. [2021-06-10 21:04:51,269 INFO L132 encePairwiseOnDemand]: 154/164 looper letters, 7 selfloop transitions, 9 changer transitions 16/45 dead transitions. [2021-06-10 21:04:51,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 45 transitions, 283 flow [2021-06-10 21:04:51,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 21:04:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 21:04:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 740 transitions. [2021-06-10 21:04:51,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6445993031358885 [2021-06-10 21:04:51,271 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 740 transitions. [2021-06-10 21:04:51,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 740 transitions. [2021-06-10 21:04:51,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:04:51,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 740 transitions. [2021-06-10 21:04:51,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.71428571428571) internal successors, (740), 7 states have internal predecessors, (740), 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) [2021-06-10 21:04:51,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 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) [2021-06-10 21:04:51,274 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 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) [2021-06-10 21:04:51,274 INFO L185 Difference]: Start difference. First operand has 40 places, 26 transitions, 147 flow. Second operand 7 states and 740 transitions. [2021-06-10 21:04:51,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 45 transitions, 283 flow [2021-06-10 21:04:51,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 45 transitions, 246 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-10 21:04:51,277 INFO L241 Difference]: Finished difference. Result has 43 places, 28 transitions, 169 flow [2021-06-10 21:04:51,277 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=169, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2021-06-10 21:04:51,277 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 15 predicate places. [2021-06-10 21:04:51,277 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 28 transitions, 169 flow [2021-06-10 21:04:51,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 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) [2021-06-10 21:04:51,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:04:51,277 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:04:51,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 21:04:51,277 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:04:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:04:51,278 INFO L82 PathProgramCache]: Analyzing trace with hash -388997378, now seen corresponding path program 2 times [2021-06-10 21:04:51,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:04:51,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430721726] [2021-06-10 21:04:51,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:04:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 21:04:51,308 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 21:04:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 21:04:51,337 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 21:04:51,360 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 21:04:51,360 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 21:04:51,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 21:04:51,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 09:04:51 BasicIcfg [2021-06-10 21:04:51,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 21:04:51,415 INFO L168 Benchmark]: Toolchain (without parser) took 7334.93 ms. Allocated memory was 385.9 MB in the beginning and 490.7 MB in the end (delta: 104.9 MB). Free memory was 348.1 MB in the beginning and 359.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 94.0 MB. Max. memory is 16.0 GB. [2021-06-10 21:04:51,415 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 385.9 MB. Free memory is still 366.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 21:04:51,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.72 ms. Allocated memory is still 385.9 MB. Free memory was 348.0 MB in the beginning and 345.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-10 21:04:51,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.94 ms. Allocated memory is still 385.9 MB. Free memory was 345.7 MB in the beginning and 343.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 21:04:51,416 INFO L168 Benchmark]: Boogie Preprocessor took 42.90 ms. Allocated memory is still 385.9 MB. Free memory was 343.6 MB in the beginning and 341.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 21:04:51,416 INFO L168 Benchmark]: RCFGBuilder took 1288.30 ms. Allocated memory is still 385.9 MB. Free memory was 341.5 MB in the beginning and 322.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 167.8 MB. Max. memory is 16.0 GB. [2021-06-10 21:04:51,416 INFO L168 Benchmark]: TraceAbstraction took 5530.98 ms. Allocated memory was 385.9 MB in the beginning and 490.7 MB in the end (delta: 104.9 MB). Free memory was 321.6 MB in the beginning and 359.4 MB in the end (delta: -37.8 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.0 GB. [2021-06-10 21:04:51,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 385.9 MB. Free memory is still 366.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 421.72 ms. Allocated memory is still 385.9 MB. Free memory was 348.0 MB in the beginning and 345.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.94 ms. Allocated memory is still 385.9 MB. Free memory was 345.7 MB in the beginning and 343.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.90 ms. Allocated memory is still 385.9 MB. Free memory was 343.6 MB in the beginning and 341.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1288.30 ms. Allocated memory is still 385.9 MB. Free memory was 341.5 MB in the beginning and 322.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 167.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5530.98 ms. Allocated memory was 385.9 MB in the beginning and 490.7 MB in the end (delta: 104.9 MB). Free memory was 321.6 MB in the beginning and 359.4 MB in the end (delta: -37.8 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4352.9ms, 85 PlacesBefore, 28 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 82 TotalNumberOfCompositions, 2978 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1198, positive: 1078, positive conditional: 0, positive unconditional: 1078, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 699, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 699, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 699, positive: 658, positive conditional: 0, positive unconditional: 658, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 379, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 360, negative conditional: 0, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1198, positive: 413, positive conditional: 0, positive unconditional: 413, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 699, unknown conditional: 0, unknown unconditional: 699] , Statistics on independence cache: Total cache size (in pairs): 1243, Positive cache size: 1209, Positive conditional cache size: 0, Positive unconditional cache size: 1209, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t1707; [L811] FCALL, FORK 0 pthread_create(&t1707, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L738] 1 x$w_buff1 = x$w_buff0 [L739] 1 x$w_buff0 = 1 [L740] 1 x$w_buff1_used = x$w_buff0_used [L741] 1 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L744] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L745] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L746] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L749] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L812] 0 pthread_t t1708; [L813] FCALL, FORK 0 pthread_create(&t1708, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L766] 2 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L769] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 x$flush_delayed = weak$$choice2 [L775] 2 x$mem_tmp = x [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L776] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = x [L784] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L784] 2 x = x$flush_delayed ? x$mem_tmp : x [L785] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L792] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L756] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L819] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L819] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L819] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L820] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L820] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L821] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L821] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L822] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L823] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5377.3ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 344.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4421.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 12 SDslu, 20 SDs, 0 SdLazy, 110 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 112.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 98.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=6, InterpolantAutomatonStates: 28, 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: 21.5ms SsaConstructionTime, 205.8ms SatisfiabilityAnalysisTime, 236.3ms InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...