/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:45:00,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:45:00,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:45:00,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:45:00,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:45:00,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:45:00,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:45:00,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:45:00,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:45:00,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:45:00,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:45:00,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:45:00,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:45:00,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:45:00,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:45:00,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:45:00,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:45:00,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:45:00,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:45:00,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:45:00,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:45:00,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:45:00,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:45:00,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:45:00,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 10:45:00,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 10:45:00,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 10:45:00,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 10:45:00,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 10:45:00,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 10:45:00,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 10:45:00,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 10:45:00,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 10:45:00,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 10:45:00,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 10:45:00,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 10:45:00,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 10:45:00,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 10:45:00,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:45:00,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:45:00,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:45:00,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2021-03-24 10:45:00,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:45:00,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:45:00,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:45:00,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:45:00,894 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:45:00,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:45:00,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:45:00,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:45:00,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:45:00,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:45:00,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:45:00,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:45:00,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:45:00,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:45:00,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:45:00,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:45:00,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:45:00,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:45:00,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:45:00,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:45:00,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:45:00,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:45:00,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:45:00,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:45:00,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:45:00,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:45:00,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:45:00,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:45:00,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:45:00,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:45:01,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:45:01,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:45:01,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:45:01,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:45:01,235 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:45:01,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt.i [2021-03-24 10:45:01,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb8e986f/b812e5831f40445a8a2f966b6788b7ed/FLAGce4ca0d2b [2021-03-24 10:45:02,182 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:45:02,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt.i [2021-03-24 10:45:02,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb8e986f/b812e5831f40445a8a2f966b6788b7ed/FLAGce4ca0d2b [2021-03-24 10:45:02,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb8e986f/b812e5831f40445a8a2f966b6788b7ed [2021-03-24 10:45:02,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:45:02,642 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:45:02,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:45:02,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:45:02,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:45:02,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:45:02" (1/1) ... [2021-03-24 10:45:02,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e331273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:02, skipping insertion in model container [2021-03-24 10:45:02,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:45:02" (1/1) ... [2021-03-24 10:45:02,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:45:02,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:45:02,809 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/mix023_power.opt.i[950,963] [2021-03-24 10:45:03,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:45:03,084 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:45:03,095 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/mix023_power.opt.i[950,963] [2021-03-24 10:45:03,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:45:03,227 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:45:03,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03 WrapperNode [2021-03-24 10:45:03,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:45:03,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:45:03,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:45:03,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:45:03,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:45:03,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:45:03,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:45:03,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:45:03,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... [2021-03-24 10:45:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:45:03,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:45:03,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:45:03,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:45:03,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:45:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:45:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:45:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:45:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:45:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:45:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:45:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:45:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:45:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 10:45:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 10:45:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-24 10:45:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-24 10:45:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:45:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:45:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:45:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:45:03,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 10:45:04,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:45:04,984 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:45:04,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:45:04 BoogieIcfgContainer [2021-03-24 10:45:04,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:45:04,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:45:04,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:45:04,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:45:04,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:45:02" (1/3) ... [2021-03-24 10:45:04,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ea51c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:45:04, skipping insertion in model container [2021-03-24 10:45:04,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:45:03" (2/3) ... [2021-03-24 10:45:04,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ea51c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:45:04, skipping insertion in model container [2021-03-24 10:45:04,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:45:04" (3/3) ... [2021-03-24 10:45:04,992 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_power.opt.i [2021-03-24 10:45:04,996 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:45:05,000 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:45:05,001 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:45:05,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,036 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,036 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,041 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,041 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,041 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,041 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,041 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,056 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,056 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,056 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,071 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,072 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,073 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:45:05,075 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:45:05,091 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 10:45:05,115 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:45:05,115 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:45:05,115 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:45:05,115 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:45:05,115 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:45:05,115 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:45:05,116 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:45:05,116 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:45:05,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-03-24 10:45:05,182 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-24 10:45:05,182 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:45:05,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-24 10:45:05,198 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-03-24 10:45:05,202 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-03-24 10:45:05,203 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:45:05,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-24 10:45:05,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-24 10:45:05,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-03-24 10:45:05,233 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-24 10:45:05,233 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:45:05,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-24 10:45:05,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 2630 [2021-03-24 10:45:06,335 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:45:06,726 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 10:45:06,863 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 10:45:08,039 INFO L154 LiptonReduction]: Checked pairs total: 4854 [2021-03-24 10:45:08,040 INFO L156 LiptonReduction]: Total number of compositions: 78 [2021-03-24 10:45:08,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2840 [2021-03-24 10:45:08,050 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-24 10:45:08,051 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:45:08,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:08,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:08,052 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:08,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:08,055 INFO L82 PathProgramCache]: Analyzing trace with hash -885706860, now seen corresponding path program 1 times [2021-03-24 10:45:08,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:08,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292615195] [2021-03-24 10:45:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:08,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:08,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:08,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:08,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292615195] [2021-03-24 10:45:08,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:08,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:45:08,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762593801] [2021-03-24 10:45:08,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:45:08,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:08,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:45:08,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:45:08,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 195 [2021-03-24 10:45:08,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:08,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 195 [2021-03-24 10:45:08,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:08,409 INFO L129 PetriNetUnfolder]: 29/152 cut-off events. [2021-03-24 10:45:08,410 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:45:08,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 152 events. 29/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 654 event pairs, 15 based on Foata normal form. 11/146 useless extension candidates. Maximal degree in co-relation 199. Up to 41 conditions per place. [2021-03-24 10:45:08,414 INFO L132 encePairwiseOnDemand]: 191/195 looper letters, 7 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2021-03-24 10:45:08,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 45 transitions, 120 flow [2021-03-24 10:45:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:45:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:45:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2021-03-24 10:45:08,431 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9128205128205128 [2021-03-24 10:45:08,432 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 534 transitions. [2021-03-24 10:45:08,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 534 transitions. [2021-03-24 10:45:08,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:08,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 534 transitions. [2021-03-24 10:45:08,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,453 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 534 transitions. [2021-03-24 10:45:08,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 45 transitions, 120 flow [2021-03-24 10:45:08,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 45 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 10:45:08,457 INFO L241 Difference]: Finished difference. Result has 53 places, 42 transitions, 96 flow [2021-03-24 10:45:08,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2021-03-24 10:45:08,459 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-24 10:45:08,459 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 96 flow [2021-03-24 10:45:08,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:08,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:08,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:45:08,460 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:08,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:08,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1723555665, now seen corresponding path program 1 times [2021-03-24 10:45:08,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:08,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617683452] [2021-03-24 10:45:08,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:08,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:08,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:45:08,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:45:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:08,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617683452] [2021-03-24 10:45:08,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:08,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:45:08,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673465735] [2021-03-24 10:45:08,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:45:08,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:08,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:45:08,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:45:08,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 195 [2021-03-24 10:45:08,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:08,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 195 [2021-03-24 10:45:08,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:08,628 INFO L129 PetriNetUnfolder]: 21/115 cut-off events. [2021-03-24 10:45:08,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:45:08,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 115 events. 21/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 484 event pairs, 9 based on Foata normal form. 6/110 useless extension candidates. Maximal degree in co-relation 164. Up to 38 conditions per place. [2021-03-24 10:45:08,629 INFO L132 encePairwiseOnDemand]: 189/195 looper letters, 5 selfloop transitions, 3 changer transitions 11/51 dead transitions. [2021-03-24 10:45:08,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 51 transitions, 146 flow [2021-03-24 10:45:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:45:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:45:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 873 transitions. [2021-03-24 10:45:08,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8953846153846153 [2021-03-24 10:45:08,632 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 873 transitions. [2021-03-24 10:45:08,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 873 transitions. [2021-03-24 10:45:08,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:08,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 873 transitions. [2021-03-24 10:45:08,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,637 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,637 INFO L185 Difference]: Start difference. First operand has 53 places, 42 transitions, 96 flow. Second operand 5 states and 873 transitions. [2021-03-24 10:45:08,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 51 transitions, 146 flow [2021-03-24 10:45:08,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 51 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:45:08,639 INFO L241 Difference]: Finished difference. Result has 58 places, 40 transitions, 111 flow [2021-03-24 10:45:08,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=111, PETRI_PLACES=58, PETRI_TRANSITIONS=40} [2021-03-24 10:45:08,640 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places. [2021-03-24 10:45:08,640 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 40 transitions, 111 flow [2021-03-24 10:45:08,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:08,641 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:08,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:45:08,643 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:08,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:08,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1890610311, now seen corresponding path program 1 times [2021-03-24 10:45:08,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:08,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037202488] [2021-03-24 10:45:08,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:08,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:08,754 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:45:08,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:45:08,767 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:45:08,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:45:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:08,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037202488] [2021-03-24 10:45:08,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:08,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:45:08,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049940563] [2021-03-24 10:45:08,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:45:08,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:08,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:45:08,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:45:08,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 195 [2021-03-24 10:45:08,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 40 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:08,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:08,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 195 [2021-03-24 10:45:08,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:09,006 INFO L129 PetriNetUnfolder]: 438/916 cut-off events. [2021-03-24 10:45:09,007 INFO L130 PetriNetUnfolder]: For 564/645 co-relation queries the response was YES. [2021-03-24 10:45:09,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2111 conditions, 916 events. 438/916 cut-off events. For 564/645 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5502 event pairs, 57 based on Foata normal form. 79/974 useless extension candidates. Maximal degree in co-relation 2088. Up to 259 conditions per place. [2021-03-24 10:45:09,018 INFO L132 encePairwiseOnDemand]: 185/195 looper letters, 21 selfloop transitions, 10 changer transitions 21/77 dead transitions. [2021-03-24 10:45:09,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 77 transitions, 349 flow [2021-03-24 10:45:09,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:45:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:45:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1120 transitions. [2021-03-24 10:45:09,022 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2021-03-24 10:45:09,022 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1120 transitions. [2021-03-24 10:45:09,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1120 transitions. [2021-03-24 10:45:09,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:09,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1120 transitions. [2021-03-24 10:45:09,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.0) internal successors, (1120), 7 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,028 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,028 INFO L185 Difference]: Start difference. First operand has 58 places, 40 transitions, 111 flow. Second operand 7 states and 1120 transitions. [2021-03-24 10:45:09,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 77 transitions, 349 flow [2021-03-24 10:45:09,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 77 transitions, 338 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-24 10:45:09,032 INFO L241 Difference]: Finished difference. Result has 62 places, 48 transitions, 212 flow [2021-03-24 10:45:09,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=212, PETRI_PLACES=62, PETRI_TRANSITIONS=48} [2021-03-24 10:45:09,033 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 5 predicate places. [2021-03-24 10:45:09,033 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 212 flow [2021-03-24 10:45:09,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:09,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:09,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:45:09,035 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:09,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:09,035 INFO L82 PathProgramCache]: Analyzing trace with hash -2051476421, now seen corresponding path program 1 times [2021-03-24 10:45:09,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:09,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056977637] [2021-03-24 10:45:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:09,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:09,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,124 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:45:09,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:45:09,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:09,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056977637] [2021-03-24 10:45:09,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:09,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:45:09,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475866769] [2021-03-24 10:45:09,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:45:09,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:09,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:45:09,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:45:09,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 195 [2021-03-24 10:45:09,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 212 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:09,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 195 [2021-03-24 10:45:09,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:09,213 INFO L129 PetriNetUnfolder]: 222/539 cut-off events. [2021-03-24 10:45:09,214 INFO L130 PetriNetUnfolder]: For 1175/1299 co-relation queries the response was YES. [2021-03-24 10:45:09,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 539 events. 222/539 cut-off events. For 1175/1299 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3145 event pairs, 69 based on Foata normal form. 34/537 useless extension candidates. Maximal degree in co-relation 1636. Up to 226 conditions per place. [2021-03-24 10:45:09,218 INFO L132 encePairwiseOnDemand]: 191/195 looper letters, 2 selfloop transitions, 3 changer transitions 3/51 dead transitions. [2021-03-24 10:45:09,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 51 transitions, 248 flow [2021-03-24 10:45:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:45:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:45:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 883 transitions. [2021-03-24 10:45:09,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9056410256410257 [2021-03-24 10:45:09,220 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 883 transitions. [2021-03-24 10:45:09,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 883 transitions. [2021-03-24 10:45:09,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:09,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 883 transitions. [2021-03-24 10:45:09,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.6) internal successors, (883), 5 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,225 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,225 INFO L185 Difference]: Start difference. First operand has 62 places, 48 transitions, 212 flow. Second operand 5 states and 883 transitions. [2021-03-24 10:45:09,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 51 transitions, 248 flow [2021-03-24 10:45:09,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 51 transitions, 240 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-24 10:45:09,232 INFO L241 Difference]: Finished difference. Result has 64 places, 48 transitions, 219 flow [2021-03-24 10:45:09,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=219, PETRI_PLACES=64, PETRI_TRANSITIONS=48} [2021-03-24 10:45:09,232 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 7 predicate places. [2021-03-24 10:45:09,232 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 48 transitions, 219 flow [2021-03-24 10:45:09,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:09,233 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:09,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:45:09,233 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:09,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:09,234 INFO L82 PathProgramCache]: Analyzing trace with hash 259356479, now seen corresponding path program 1 times [2021-03-24 10:45:09,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:09,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151655016] [2021-03-24 10:45:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:09,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:09,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151655016] [2021-03-24 10:45:09,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:09,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:45:09,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212309041] [2021-03-24 10:45:09,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:45:09,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:09,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:45:09,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:45:09,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 195 [2021-03-24 10:45:09,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 48 transitions, 219 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:09,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 195 [2021-03-24 10:45:09,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:09,502 INFO L129 PetriNetUnfolder]: 950/1799 cut-off events. [2021-03-24 10:45:09,502 INFO L130 PetriNetUnfolder]: For 1659/1850 co-relation queries the response was YES. [2021-03-24 10:45:09,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4517 conditions, 1799 events. 950/1799 cut-off events. For 1659/1850 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 13225 event pairs, 423 based on Foata normal form. 108/1548 useless extension candidates. Maximal degree in co-relation 4487. Up to 1111 conditions per place. [2021-03-24 10:45:09,520 INFO L132 encePairwiseOnDemand]: 188/195 looper letters, 12 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2021-03-24 10:45:09,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 62 transitions, 291 flow [2021-03-24 10:45:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:45:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:45:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 834 transitions. [2021-03-24 10:45:09,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8553846153846154 [2021-03-24 10:45:09,522 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 834 transitions. [2021-03-24 10:45:09,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 834 transitions. [2021-03-24 10:45:09,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:09,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 834 transitions. [2021-03-24 10:45:09,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,527 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,527 INFO L185 Difference]: Start difference. First operand has 64 places, 48 transitions, 219 flow. Second operand 5 states and 834 transitions. [2021-03-24 10:45:09,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 62 transitions, 291 flow [2021-03-24 10:45:09,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 62 transitions, 281 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 10:45:09,533 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 284 flow [2021-03-24 10:45:09,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=284, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-03-24 10:45:09,533 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 8 predicate places. [2021-03-24 10:45:09,533 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 284 flow [2021-03-24 10:45:09,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:09,534 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:09,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:45:09,534 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:09,534 INFO L82 PathProgramCache]: Analyzing trace with hash -969276760, now seen corresponding path program 1 times [2021-03-24 10:45:09,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:09,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465904980] [2021-03-24 10:45:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:09,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:09,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465904980] [2021-03-24 10:45:09,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:09,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:45:09,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205538324] [2021-03-24 10:45:09,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:45:09,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:09,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:45:09,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:45:09,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 195 [2021-03-24 10:45:09,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 284 flow. Second operand has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:09,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 195 [2021-03-24 10:45:09,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:09,857 INFO L129 PetriNetUnfolder]: 717/1477 cut-off events. [2021-03-24 10:45:09,857 INFO L130 PetriNetUnfolder]: For 2197/5603 co-relation queries the response was YES. [2021-03-24 10:45:09,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5415 conditions, 1477 events. 717/1477 cut-off events. For 2197/5603 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 10920 event pairs, 100 based on Foata normal form. 387/1675 useless extension candidates. Maximal degree in co-relation 5384. Up to 950 conditions per place. [2021-03-24 10:45:09,874 INFO L132 encePairwiseOnDemand]: 188/195 looper letters, 13 selfloop transitions, 19 changer transitions 0/72 dead transitions. [2021-03-24 10:45:09,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 72 transitions, 428 flow [2021-03-24 10:45:09,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:45:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:45:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1168 transitions. [2021-03-24 10:45:09,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8556776556776556 [2021-03-24 10:45:09,877 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1168 transitions. [2021-03-24 10:45:09,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1168 transitions. [2021-03-24 10:45:09,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:09,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1168 transitions. [2021-03-24 10:45:09,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 166.85714285714286) internal successors, (1168), 7 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,883 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,883 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 284 flow. Second operand 7 states and 1168 transitions. [2021-03-24 10:45:09,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 72 transitions, 428 flow [2021-03-24 10:45:09,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 72 transitions, 423 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 10:45:09,891 INFO L241 Difference]: Finished difference. Result has 73 places, 66 transitions, 413 flow [2021-03-24 10:45:09,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=413, PETRI_PLACES=73, PETRI_TRANSITIONS=66} [2021-03-24 10:45:09,892 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 16 predicate places. [2021-03-24 10:45:09,892 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 66 transitions, 413 flow [2021-03-24 10:45:09,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:09,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:09,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:09,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:45:09,893 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:09,893 INFO L82 PathProgramCache]: Analyzing trace with hash -398295278, now seen corresponding path program 1 times [2021-03-24 10:45:09,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:09,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375720001] [2021-03-24 10:45:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:09,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:10,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:10,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375720001] [2021-03-24 10:45:10,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:10,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:45:10,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319618849] [2021-03-24 10:45:10,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:45:10,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:10,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:45:10,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:45:10,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 195 [2021-03-24 10:45:10,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 413 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:10,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 195 [2021-03-24 10:45:10,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:10,226 INFO L129 PetriNetUnfolder]: 599/1259 cut-off events. [2021-03-24 10:45:10,226 INFO L130 PetriNetUnfolder]: For 4577/11356 co-relation queries the response was YES. [2021-03-24 10:45:10,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6167 conditions, 1259 events. 599/1259 cut-off events. For 4577/11356 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 9163 event pairs, 24 based on Foata normal form. 563/1647 useless extension candidates. Maximal degree in co-relation 6132. Up to 881 conditions per place. [2021-03-24 10:45:10,243 INFO L132 encePairwiseOnDemand]: 188/195 looper letters, 10 selfloop transitions, 28 changer transitions 4/82 dead transitions. [2021-03-24 10:45:10,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 82 transitions, 629 flow [2021-03-24 10:45:10,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 10:45:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 10:45:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1502 transitions. [2021-03-24 10:45:10,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8558404558404559 [2021-03-24 10:45:10,248 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1502 transitions. [2021-03-24 10:45:10,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1502 transitions. [2021-03-24 10:45:10,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:10,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1502 transitions. [2021-03-24 10:45:10,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.88888888888889) internal successors, (1502), 9 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,256 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,256 INFO L185 Difference]: Start difference. First operand has 73 places, 66 transitions, 413 flow. Second operand 9 states and 1502 transitions. [2021-03-24 10:45:10,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 82 transitions, 629 flow [2021-03-24 10:45:10,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 82 transitions, 577 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-24 10:45:10,294 INFO L241 Difference]: Finished difference. Result has 81 places, 75 transitions, 539 flow [2021-03-24 10:45:10,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=539, PETRI_PLACES=81, PETRI_TRANSITIONS=75} [2021-03-24 10:45:10,294 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 24 predicate places. [2021-03-24 10:45:10,294 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 539 flow [2021-03-24 10:45:10,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:10,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:10,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:45:10,295 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:10,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:10,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1671342526, now seen corresponding path program 1 times [2021-03-24 10:45:10,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:10,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621641031] [2021-03-24 10:45:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:10,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:10,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:10,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:10,380 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:45:10,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:45:10,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:45:10,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:45:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:10,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621641031] [2021-03-24 10:45:10,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:10,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:45:10,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558064482] [2021-03-24 10:45:10,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:45:10,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:10,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:45:10,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:45:10,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 195 [2021-03-24 10:45:10,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 539 flow. Second operand has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:10,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 195 [2021-03-24 10:45:10,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:10,787 INFO L129 PetriNetUnfolder]: 889/2113 cut-off events. [2021-03-24 10:45:10,787 INFO L130 PetriNetUnfolder]: For 8625/9652 co-relation queries the response was YES. [2021-03-24 10:45:10,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9768 conditions, 2113 events. 889/2113 cut-off events. For 8625/9652 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 18272 event pairs, 33 based on Foata normal form. 13/1975 useless extension candidates. Maximal degree in co-relation 9728. Up to 921 conditions per place. [2021-03-24 10:45:10,815 INFO L132 encePairwiseOnDemand]: 183/195 looper letters, 38 selfloop transitions, 32 changer transitions 4/125 dead transitions. [2021-03-24 10:45:10,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 125 transitions, 1010 flow [2021-03-24 10:45:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:45:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:45:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1101 transitions. [2021-03-24 10:45:10,818 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8065934065934066 [2021-03-24 10:45:10,818 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1101 transitions. [2021-03-24 10:45:10,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1101 transitions. [2021-03-24 10:45:10,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:10,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1101 transitions. [2021-03-24 10:45:10,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 157.28571428571428) internal successors, (1101), 7 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,823 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:10,823 INFO L185 Difference]: Start difference. First operand has 81 places, 75 transitions, 539 flow. Second operand 7 states and 1101 transitions. [2021-03-24 10:45:10,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 125 transitions, 1010 flow [2021-03-24 10:45:11,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 125 transitions, 897 flow, removed 42 selfloop flow, removed 5 redundant places. [2021-03-24 10:45:11,081 INFO L241 Difference]: Finished difference. Result has 88 places, 104 transitions, 792 flow [2021-03-24 10:45:11,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=792, PETRI_PLACES=88, PETRI_TRANSITIONS=104} [2021-03-24 10:45:11,082 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 31 predicate places. [2021-03-24 10:45:11,082 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 104 transitions, 792 flow [2021-03-24 10:45:11,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:11,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:11,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:45:11,084 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash 797530334, now seen corresponding path program 2 times [2021-03-24 10:45:11,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:11,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688019190] [2021-03-24 10:45:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:11,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:11,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:11,148 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:45:11,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:45:11,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:45:11,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:45:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:11,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688019190] [2021-03-24 10:45:11,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:11,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:45:11,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207436077] [2021-03-24 10:45:11,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:45:11,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:11,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:45:11,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:45:11,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 195 [2021-03-24 10:45:11,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 104 transitions, 792 flow. Second operand has 5 states, 5 states have (on average 155.4) internal successors, (777), 5 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:11,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 195 [2021-03-24 10:45:11,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:11,645 INFO L129 PetriNetUnfolder]: 1269/2982 cut-off events. [2021-03-24 10:45:11,646 INFO L130 PetriNetUnfolder]: For 7364/7929 co-relation queries the response was YES. [2021-03-24 10:45:11,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11582 conditions, 2982 events. 1269/2982 cut-off events. For 7364/7929 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 27638 event pairs, 56 based on Foata normal form. 31/2768 useless extension candidates. Maximal degree in co-relation 11536. Up to 765 conditions per place. [2021-03-24 10:45:11,683 INFO L132 encePairwiseOnDemand]: 184/195 looper letters, 32 selfloop transitions, 39 changer transitions 4/128 dead transitions. [2021-03-24 10:45:11,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 128 transitions, 1164 flow [2021-03-24 10:45:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:45:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:45:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 800 transitions. [2021-03-24 10:45:11,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2021-03-24 10:45:11,686 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 800 transitions. [2021-03-24 10:45:11,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 800 transitions. [2021-03-24 10:45:11,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:11,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 800 transitions. [2021-03-24 10:45:11,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 160.0) internal successors, (800), 5 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,690 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,691 INFO L185 Difference]: Start difference. First operand has 88 places, 104 transitions, 792 flow. Second operand 5 states and 800 transitions. [2021-03-24 10:45:11,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 128 transitions, 1164 flow [2021-03-24 10:45:11,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 128 transitions, 1154 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-24 10:45:11,891 INFO L241 Difference]: Finished difference. Result has 94 places, 116 transitions, 1080 flow [2021-03-24 10:45:11,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1080, PETRI_PLACES=94, PETRI_TRANSITIONS=116} [2021-03-24 10:45:11,891 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 37 predicate places. [2021-03-24 10:45:11,891 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 116 transitions, 1080 flow [2021-03-24 10:45:11,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 155.4) internal successors, (777), 5 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:11,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:11,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:45:11,892 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:11,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:11,892 INFO L82 PathProgramCache]: Analyzing trace with hash 224529448, now seen corresponding path program 3 times [2021-03-24 10:45:11,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:11,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279272118] [2021-03-24 10:45:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:11,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:11,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:11,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:11,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:11,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:11,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:11,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279272118] [2021-03-24 10:45:11,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:11,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:45:11,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334034262] [2021-03-24 10:45:11,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:45:11,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:11,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:45:11,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:45:11,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 195 [2021-03-24 10:45:11,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 116 transitions, 1080 flow. Second operand has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:11,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:11,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 195 [2021-03-24 10:45:11,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:12,584 INFO L129 PetriNetUnfolder]: 1890/3874 cut-off events. [2021-03-24 10:45:12,584 INFO L130 PetriNetUnfolder]: For 10617/18238 co-relation queries the response was YES. [2021-03-24 10:45:12,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16528 conditions, 3874 events. 1890/3874 cut-off events. For 10617/18238 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 34583 event pairs, 47 based on Foata normal form. 1408/4781 useless extension candidates. Maximal degree in co-relation 16496. Up to 901 conditions per place. [2021-03-24 10:45:12,640 INFO L132 encePairwiseOnDemand]: 188/195 looper letters, 6 selfloop transitions, 33 changer transitions 5/125 dead transitions. [2021-03-24 10:45:12,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 125 transitions, 1232 flow [2021-03-24 10:45:12,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 10:45:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 10:45:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1828 transitions. [2021-03-24 10:45:12,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8522144522144522 [2021-03-24 10:45:12,645 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1828 transitions. [2021-03-24 10:45:12,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1828 transitions. [2021-03-24 10:45:12,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:12,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1828 transitions. [2021-03-24 10:45:12,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 166.1818181818182) internal successors, (1828), 11 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:12,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:12,653 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:12,653 INFO L185 Difference]: Start difference. First operand has 94 places, 116 transitions, 1080 flow. Second operand 11 states and 1828 transitions. [2021-03-24 10:45:12,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 125 transitions, 1232 flow [2021-03-24 10:45:12,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 125 transitions, 1179 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-24 10:45:12,910 INFO L241 Difference]: Finished difference. Result has 102 places, 117 transitions, 1121 flow [2021-03-24 10:45:12,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=1027, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1121, PETRI_PLACES=102, PETRI_TRANSITIONS=117} [2021-03-24 10:45:12,911 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 45 predicate places. [2021-03-24 10:45:12,911 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 117 transitions, 1121 flow [2021-03-24 10:45:12,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:12,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:12,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:12,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 10:45:12,912 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:12,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:12,913 INFO L82 PathProgramCache]: Analyzing trace with hash 750619679, now seen corresponding path program 1 times [2021-03-24 10:45:12,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:12,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437902091] [2021-03-24 10:45:12,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:45:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:12,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:45:12,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:45:12,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:45:12,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:45:12,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:45:12,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:45:12,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:45:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:45:13,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437902091] [2021-03-24 10:45:13,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:45:13,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:45:13,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003810854] [2021-03-24 10:45:13,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:45:13,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:45:13,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:45:13,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:45:13,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 195 [2021-03-24 10:45:13,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 117 transitions, 1121 flow. Second operand has 5 states, 5 states have (on average 155.6) internal successors, (778), 5 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:13,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:45:13,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 195 [2021-03-24 10:45:13,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:45:13,512 INFO L129 PetriNetUnfolder]: 1755/4035 cut-off events. [2021-03-24 10:45:13,512 INFO L130 PetriNetUnfolder]: For 13852/15637 co-relation queries the response was YES. [2021-03-24 10:45:13,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18697 conditions, 4035 events. 1755/4035 cut-off events. For 13852/15637 co-relation queries the response was YES. Maximal size of possible extension queue 757. Compared 39668 event pairs, 47 based on Foata normal form. 15/3685 useless extension candidates. Maximal degree in co-relation 18645. Up to 1090 conditions per place. [2021-03-24 10:45:13,550 INFO L132 encePairwiseOnDemand]: 184/195 looper letters, 9 selfloop transitions, 5 changer transitions 97/148 dead transitions. [2021-03-24 10:45:13,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 148 transitions, 1657 flow [2021-03-24 10:45:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:45:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:45:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 795 transitions. [2021-03-24 10:45:13,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8153846153846154 [2021-03-24 10:45:13,553 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 795 transitions. [2021-03-24 10:45:13,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 795 transitions. [2021-03-24 10:45:13,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:45:13,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 795 transitions. [2021-03-24 10:45:13,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:13,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:13,556 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:13,557 INFO L185 Difference]: Start difference. First operand has 102 places, 117 transitions, 1121 flow. Second operand 5 states and 795 transitions. [2021-03-24 10:45:13,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 148 transitions, 1657 flow [2021-03-24 10:45:13,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 148 transitions, 1526 flow, removed 35 selfloop flow, removed 11 redundant places. [2021-03-24 10:45:13,914 INFO L241 Difference]: Finished difference. Result has 96 places, 51 transitions, 296 flow [2021-03-24 10:45:13,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=1000, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=296, PETRI_PLACES=96, PETRI_TRANSITIONS=51} [2021-03-24 10:45:13,914 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 39 predicate places. [2021-03-24 10:45:13,914 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 51 transitions, 296 flow [2021-03-24 10:45:13,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 155.6) internal successors, (778), 5 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:45:13,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:45:13,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:45:13,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 10:45:13,915 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:45:13,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:45:13,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1531372417, now seen corresponding path program 2 times [2021-03-24 10:45:13,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:45:13,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108802373] [2021-03-24 10:45:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:45:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:45:13,948 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:45:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:45:13,980 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:45:14,026 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 10:45:14,026 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 10:45:14,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 10:45:14,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:45:14 BasicIcfg [2021-03-24 10:45:14,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:45:14,138 INFO L168 Benchmark]: Toolchain (without parser) took 11496.34 ms. Allocated memory was 255.9 MB in the beginning and 509.6 MB in the end (delta: 253.8 MB). Free memory was 234.6 MB in the beginning and 464.9 MB in the end (delta: -230.4 MB). Peak memory consumption was 303.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:45:14,138 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:45:14,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.11 ms. Allocated memory was 255.9 MB in the beginning and 335.5 MB in the end (delta: 79.7 MB). Free memory was 234.6 MB in the beginning and 295.0 MB in the end (delta: -60.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:45:14,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.41 ms. Allocated memory is still 335.5 MB. Free memory was 295.0 MB in the beginning and 293.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:45:14,139 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 335.5 MB. Free memory was 293.0 MB in the beginning and 290.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:45:14,139 INFO L168 Benchmark]: RCFGBuilder took 1643.19 ms. Allocated memory is still 335.5 MB. Free memory was 290.9 MB in the beginning and 303.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:45:14,140 INFO L168 Benchmark]: TraceAbstraction took 9150.05 ms. Allocated memory was 335.5 MB in the beginning and 509.6 MB in the end (delta: 174.1 MB). Free memory was 302.6 MB in the beginning and 464.9 MB in the end (delta: -162.3 MB). Peak memory consumption was 291.7 MB. Max. memory is 16.0 GB. [2021-03-24 10:45:14,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 584.11 ms. Allocated memory was 255.9 MB in the beginning and 335.5 MB in the end (delta: 79.7 MB). Free memory was 234.6 MB in the beginning and 295.0 MB in the end (delta: -60.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 68.41 ms. Allocated memory is still 335.5 MB. Free memory was 295.0 MB in the beginning and 293.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 335.5 MB. Free memory was 293.0 MB in the beginning and 290.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1643.19 ms. Allocated memory is still 335.5 MB. Free memory was 290.9 MB in the beginning and 303.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9150.05 ms. Allocated memory was 335.5 MB in the beginning and 509.6 MB in the end (delta: 174.1 MB). Free memory was 302.6 MB in the beginning and 464.9 MB in the end (delta: -162.3 MB). Peak memory consumption was 291.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2826.0ms, 124 PlacesBefore, 57 PlacesAfterwards, 113 TransitionsBefore, 45 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 4854 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1954, positive: 1845, positive conditional: 0, positive unconditional: 1845, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1231, positive: 1200, positive conditional: 0, positive unconditional: 1200, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1231, positive: 1200, positive conditional: 0, positive unconditional: 1200, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1954, positive: 645, positive conditional: 0, positive unconditional: 645, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 1231, unknown conditional: 0, unknown unconditional: 1231] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 87, Positive conditional cache size: 0, Positive unconditional cache size: 87, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0] [L734] 0 _Bool y$r_buff1_thd0; [L735] 0 _Bool y$r_buff1_thd1; [L736] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L737] 0 _Bool y$r_buff1_thd3; [L738] 0 _Bool y$r_buff1_thd4; [L739] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L740] 0 int *y$read_delayed_var; [L741] 0 int y$w_buff0; [L742] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L743] 0 int y$w_buff1; [L744] 0 _Bool y$w_buff1_used; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L859] 0 pthread_t t605; [L860] FCALL, FORK 0 pthread_create(&t605, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L861] 0 pthread_t t606; [L862] FCALL, FORK 0 pthread_create(&t606, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L863] 0 pthread_t t607; [L864] FCALL, FORK 0 pthread_create(&t607, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L865] 0 pthread_t t608; [L866] FCALL, FORK 0 pthread_create(&t608, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L798] 3 y$w_buff1 = y$w_buff0 [L799] 3 y$w_buff0 = 1 [L800] 3 y$w_buff1_used = y$w_buff0_used [L801] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L803] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L804] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L805] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L806] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L807] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L808] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L811] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L828] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L831] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L834] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L770] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L773] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L774] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L775] 2 y$flush_delayed = weak$$choice2 [L776] 2 y$mem_tmp = y [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L778] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L778] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L779] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L779] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L780] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L780] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L781] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L781] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L782] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L783] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L783] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 __unbuffered_p1_EBX = y [L785] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L785] 2 y = y$flush_delayed ? y$mem_tmp : y [L786] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 2 return 0; [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L818] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L838] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L839] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L840] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L841] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L841] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L844] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L846] 4 return 0; [L868] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L873] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L874] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L875] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L876] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L876] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L879] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8918.8ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4590.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2929.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 130 SDtfs, 103 SDslu, 186 SDs, 0 SdLazy, 311 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 293.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 253.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1121occurred in iteration=10, InterpolantAutomatonStates: 69, 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: 38.3ms SsaConstructionTime, 358.6ms SatisfiabilityAnalysisTime, 704.7ms InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 1182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...