/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:28:00,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:28:00,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:28:00,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:28:00,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:28:00,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:28:00,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:28:00,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:28:00,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:28:00,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:28:00,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:28:00,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:28:00,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:28:00,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:28:00,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:28:00,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:28:00,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:28:00,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:28:00,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:28:00,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:28:00,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:28:00,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:28:00,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:28:00,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:28:00,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:28:00,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:28:00,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:28:00,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:28:00,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:28:00,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:28:00,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:28:00,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:28:00,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:28:00,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:28:00,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:28:00,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:28:00,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:28:00,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:28:00,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:28:00,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:28:00,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:28:00,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:28:00,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:28:00,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:28:00,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:28:00,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:28:00,255 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:28:00,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:28:00,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:28:00,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:28:00,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:28:00,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:28:00,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:28:00,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:28:00,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:28:00,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:28:00,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:28:00,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:28:00,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:28:00,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:28:00,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:28:00,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:28:00,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:28:00,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:28:00,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:28:00,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:28:00,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:28:00,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:28:00,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:28:00,259 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:28:00,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:28:00,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:28:00,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:28:00,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:28:00,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:28:00,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:28:00,544 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:28:00,545 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i [2020-10-11 18:28:00,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9151aa7f/81578c38597e44b1a7a5e40502fc9532/FLAG09af5661a [2020-10-11 18:28:01,053 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:28:01,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i [2020-10-11 18:28:01,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9151aa7f/81578c38597e44b1a7a5e40502fc9532/FLAG09af5661a [2020-10-11 18:28:01,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9151aa7f/81578c38597e44b1a7a5e40502fc9532 [2020-10-11 18:28:01,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:28:01,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:28:01,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:28:01,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:28:01,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:28:01,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:28:01" (1/1) ... [2020-10-11 18:28:01,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a8da1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:01, skipping insertion in model container [2020-10-11 18:28:01,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:28:01" (1/1) ... [2020-10-11 18:28:01,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:28:01,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:28:01,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:28:02,006 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:28:02,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:28:02,158 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:28:02,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02 WrapperNode [2020-10-11 18:28:02,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:28:02,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:28:02,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:28:02,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:28:02,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:28:02,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:28:02,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:28:02,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:28:02,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (1/1) ... [2020-10-11 18:28:02,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:28:02,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:28:02,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:28:02,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:28:02,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (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 [2020-10-11 18:28:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:28:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:28:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:28:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:28:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:28:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:28:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:28:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:28:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:28:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:28:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:28:02,380 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:28:05,922 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:28:05,923 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 18:28:05,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:28:05 BoogieIcfgContainer [2020-10-11 18:28:05,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:28:05,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:28:05,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:28:05,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:28:05,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:28:01" (1/3) ... [2020-10-11 18:28:05,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c97e276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:28:05, skipping insertion in model container [2020-10-11 18:28:05,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:28:02" (2/3) ... [2020-10-11 18:28:05,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c97e276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:28:05, skipping insertion in model container [2020-10-11 18:28:05,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:28:05" (3/3) ... [2020-10-11 18:28:05,934 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.oepc.i [2020-10-11 18:28:05,946 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:28:05,955 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 18:28:05,956 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:28:06,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,036 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,052 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,052 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,052 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,053 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,084 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,095 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:28:06,122 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:28:06,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:28:06,146 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:28:06,146 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:28:06,147 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:28:06,147 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:28:06,147 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:28:06,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:28:06,147 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:28:06,168 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-11 18:28:06,212 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-11 18:28:06,213 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:06,217 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2020-10-11 18:28:06,218 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 80 transitions, 170 flow [2020-10-11 18:28:06,224 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 78 transitions, 162 flow [2020-10-11 18:28:06,238 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2020-10-11 18:28:06,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:06,238 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:06,239 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:06,240 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:06,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1722193573, now seen corresponding path program 1 times [2020-10-11 18:28:06,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:06,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585018871] [2020-10-11 18:28:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:06,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:06,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585018871] [2020-10-11 18:28:06,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:06,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 18:28:06,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033144056] [2020-10-11 18:28:06,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 18:28:06,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:06,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 18:28:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 18:28:06,755 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 80 [2020-10-11 18:28:06,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 78 transitions, 162 flow. Second operand 3 states. [2020-10-11 18:28:06,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:06,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 80 [2020-10-11 18:28:06,759 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:06,788 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2020-10-11 18:28:06,788 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:06,789 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 4/77 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 18:28:06,790 INFO L132 encePairwiseOnDemand]: 75/80 looper letters, 0 selfloop transitions, 2 changer transitions 9/75 dead transitions. [2020-10-11 18:28:06,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 75 transitions, 160 flow [2020-10-11 18:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 18:28:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 18:28:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2020-10-11 18:28:06,808 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9666666666666667 [2020-10-11 18:28:06,809 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2020-10-11 18:28:06,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2020-10-11 18:28:06,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:06,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2020-10-11 18:28:06,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 18:28:06,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 18:28:06,828 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 18:28:06,831 INFO L185 Difference]: Start difference. First operand has 83 places, 78 transitions, 162 flow. Second operand 3 states and 232 transitions. [2020-10-11 18:28:06,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 75 transitions, 160 flow [2020-10-11 18:28:06,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:28:06,841 INFO L241 Difference]: Finished difference. Result has 82 places, 66 transitions, 140 flow [2020-10-11 18:28:06,845 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=82, PETRI_TRANSITIONS=66} [2020-10-11 18:28:06,846 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, -1 predicate places. [2020-10-11 18:28:06,846 INFO L481 AbstractCegarLoop]: Abstraction has has 82 places, 66 transitions, 140 flow [2020-10-11 18:28:06,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 18:28:06,846 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:06,846 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:06,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:28:06,847 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:06,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:06,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1793725615, now seen corresponding path program 1 times [2020-10-11 18:28:06,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:06,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819451915] [2020-10-11 18:28:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:07,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819451915] [2020-10-11 18:28:07,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:07,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:28:07,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362196745] [2020-10-11 18:28:07,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:28:07,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:07,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:28:07,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:28:07,364 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 80 [2020-10-11 18:28:07,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 66 transitions, 140 flow. Second operand 6 states. [2020-10-11 18:28:07,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:07,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 80 [2020-10-11 18:28:07,365 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:07,509 INFO L129 PetriNetUnfolder]: 3/89 cut-off events. [2020-10-11 18:28:07,509 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:28:07,510 INFO L80 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 89 events. 3/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 2/91 useless extension candidates. Maximal degree in co-relation 80. Up to 7 conditions per place. [2020-10-11 18:28:07,511 INFO L132 encePairwiseOnDemand]: 74/80 looper letters, 6 selfloop transitions, 2 changer transitions 10/76 dead transitions. [2020-10-11 18:28:07,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 76 transitions, 196 flow [2020-10-11 18:28:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:28:07,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:28:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 650 transitions. [2020-10-11 18:28:07,518 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2020-10-11 18:28:07,518 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 650 transitions. [2020-10-11 18:28:07,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 650 transitions. [2020-10-11 18:28:07,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:07,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 650 transitions. [2020-10-11 18:28:07,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:28:07,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:28:07,529 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:28:07,530 INFO L185 Difference]: Start difference. First operand has 82 places, 66 transitions, 140 flow. Second operand 9 states and 650 transitions. [2020-10-11 18:28:07,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 76 transitions, 196 flow [2020-10-11 18:28:07,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 192 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:28:07,534 INFO L241 Difference]: Finished difference. Result has 86 places, 66 transitions, 156 flow [2020-10-11 18:28:07,534 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=156, PETRI_PLACES=86, PETRI_TRANSITIONS=66} [2020-10-11 18:28:07,535 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2020-10-11 18:28:07,535 INFO L481 AbstractCegarLoop]: Abstraction has has 86 places, 66 transitions, 156 flow [2020-10-11 18:28:07,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:28:07,535 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:07,536 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:07,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:28:07,536 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:07,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:07,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1104706575, now seen corresponding path program 1 times [2020-10-11 18:28:07,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:07,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159867192] [2020-10-11 18:28:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:07,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159867192] [2020-10-11 18:28:07,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:07,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:28:07,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965316190] [2020-10-11 18:28:07,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:28:07,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:07,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:28:07,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:28:08,039 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 80 [2020-10-11 18:28:08,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 66 transitions, 156 flow. Second operand 6 states. [2020-10-11 18:28:08,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:08,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 80 [2020-10-11 18:28:08,041 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:08,199 INFO L129 PetriNetUnfolder]: 3/92 cut-off events. [2020-10-11 18:28:08,199 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-11 18:28:08,200 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 92 events. 3/92 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 135 event pairs, 0 based on Foata normal form. 2/94 useless extension candidates. Maximal degree in co-relation 129. Up to 7 conditions per place. [2020-10-11 18:28:08,200 INFO L132 encePairwiseOnDemand]: 74/80 looper letters, 6 selfloop transitions, 2 changer transitions 10/76 dead transitions. [2020-10-11 18:28:08,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 76 transitions, 230 flow [2020-10-11 18:28:08,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:28:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:28:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 650 transitions. [2020-10-11 18:28:08,204 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2020-10-11 18:28:08,204 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 650 transitions. [2020-10-11 18:28:08,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 650 transitions. [2020-10-11 18:28:08,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:08,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 650 transitions. [2020-10-11 18:28:08,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:28:08,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:28:08,211 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:28:08,211 INFO L185 Difference]: Start difference. First operand has 86 places, 66 transitions, 156 flow. Second operand 9 states and 650 transitions. [2020-10-11 18:28:08,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 76 transitions, 230 flow [2020-10-11 18:28:08,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 76 transitions, 198 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:28:08,215 INFO L241 Difference]: Finished difference. Result has 87 places, 66 transitions, 160 flow [2020-10-11 18:28:08,216 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=160, PETRI_PLACES=87, PETRI_TRANSITIONS=66} [2020-10-11 18:28:08,216 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 4 predicate places. [2020-10-11 18:28:08,216 INFO L481 AbstractCegarLoop]: Abstraction has has 87 places, 66 transitions, 160 flow [2020-10-11 18:28:08,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:28:08,216 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:08,217 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:08,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:28:08,217 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:08,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:08,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2143325172, now seen corresponding path program 1 times [2020-10-11 18:28:08,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:08,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325408857] [2020-10-11 18:28:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:08,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325408857] [2020-10-11 18:28:08,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:08,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:08,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533116739] [2020-10-11 18:28:08,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:08,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:08,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:08,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:10,652 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 80 [2020-10-11 18:28:10,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 66 transitions, 160 flow. Second operand 12 states. [2020-10-11 18:28:10,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:10,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 80 [2020-10-11 18:28:10,654 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:11,137 INFO L129 PetriNetUnfolder]: 92/305 cut-off events. [2020-10-11 18:28:11,137 INFO L130 PetriNetUnfolder]: For 110/173 co-relation queries the response was YES. [2020-10-11 18:28:11,140 INFO L80 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 305 events. 92/305 cut-off events. For 110/173 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1247 event pairs, 20 based on Foata normal form. 12/313 useless extension candidates. Maximal degree in co-relation 585. Up to 97 conditions per place. [2020-10-11 18:28:11,142 INFO L132 encePairwiseOnDemand]: 69/80 looper letters, 19 selfloop transitions, 7 changer transitions 22/97 dead transitions. [2020-10-11 18:28:11,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 340 flow [2020-10-11 18:28:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 830 transitions. [2020-10-11 18:28:11,146 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7980769230769231 [2020-10-11 18:28:11,146 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 830 transitions. [2020-10-11 18:28:11,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 830 transitions. [2020-10-11 18:28:11,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:11,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 830 transitions. [2020-10-11 18:28:11,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:11,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:11,152 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:11,152 INFO L185 Difference]: Start difference. First operand has 87 places, 66 transitions, 160 flow. Second operand 13 states and 830 transitions. [2020-10-11 18:28:11,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 340 flow [2020-10-11 18:28:11,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 97 transitions, 308 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:28:11,158 INFO L241 Difference]: Finished difference. Result has 93 places, 69 transitions, 203 flow [2020-10-11 18:28:11,158 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=203, PETRI_PLACES=93, PETRI_TRANSITIONS=69} [2020-10-11 18:28:11,159 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 10 predicate places. [2020-10-11 18:28:11,159 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 69 transitions, 203 flow [2020-10-11 18:28:11,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:11,159 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:11,159 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:11,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:28:11,160 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash -794680782, now seen corresponding path program 2 times [2020-10-11 18:28:11,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:11,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65209729] [2020-10-11 18:28:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:11,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65209729] [2020-10-11 18:28:11,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:11,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 18:28:11,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901288408] [2020-10-11 18:28:11,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-11 18:28:11,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:11,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-11 18:28:11,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-11 18:28:13,921 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 80 [2020-10-11 18:28:13,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 69 transitions, 203 flow. Second operand 13 states. [2020-10-11 18:28:13,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:13,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 80 [2020-10-11 18:28:13,925 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:14,340 INFO L129 PetriNetUnfolder]: 136/410 cut-off events. [2020-10-11 18:28:14,341 INFO L130 PetriNetUnfolder]: For 582/590 co-relation queries the response was YES. [2020-10-11 18:28:14,344 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 410 events. 136/410 cut-off events. For 582/590 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2045 event pairs, 20 based on Foata normal form. 6/403 useless extension candidates. Maximal degree in co-relation 1075. Up to 192 conditions per place. [2020-10-11 18:28:14,347 INFO L132 encePairwiseOnDemand]: 65/80 looper letters, 24 selfloop transitions, 15 changer transitions 13/98 dead transitions. [2020-10-11 18:28:14,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 98 transitions, 444 flow [2020-10-11 18:28:14,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 18:28:14,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 18:28:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 735 transitions. [2020-10-11 18:28:14,351 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.765625 [2020-10-11 18:28:14,351 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 735 transitions. [2020-10-11 18:28:14,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 735 transitions. [2020-10-11 18:28:14,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:14,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 735 transitions. [2020-10-11 18:28:14,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 18:28:14,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 18:28:14,358 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 18:28:14,358 INFO L185 Difference]: Start difference. First operand has 93 places, 69 transitions, 203 flow. Second operand 12 states and 735 transitions. [2020-10-11 18:28:14,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 98 transitions, 444 flow [2020-10-11 18:28:14,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 98 transitions, 425 flow, removed 5 selfloop flow, removed 7 redundant places. [2020-10-11 18:28:14,364 INFO L241 Difference]: Finished difference. Result has 97 places, 78 transitions, 289 flow [2020-10-11 18:28:14,365 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=289, PETRI_PLACES=97, PETRI_TRANSITIONS=78} [2020-10-11 18:28:14,365 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 14 predicate places. [2020-10-11 18:28:14,365 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 78 transitions, 289 flow [2020-10-11 18:28:14,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-11 18:28:14,365 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:14,365 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:14,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:28:14,366 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:14,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:14,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1155064114, now seen corresponding path program 3 times [2020-10-11 18:28:14,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:14,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555533914] [2020-10-11 18:28:14,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:14,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555533914] [2020-10-11 18:28:14,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:14,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-11 18:28:14,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312467422] [2020-10-11 18:28:14,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-11 18:28:14,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:14,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-11 18:28:14,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-11 18:28:18,171 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 80 [2020-10-11 18:28:18,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 78 transitions, 289 flow. Second operand 16 states. [2020-10-11 18:28:18,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:18,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 80 [2020-10-11 18:28:18,173 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:18,662 INFO L129 PetriNetUnfolder]: 141/435 cut-off events. [2020-10-11 18:28:18,662 INFO L130 PetriNetUnfolder]: For 992/1291 co-relation queries the response was YES. [2020-10-11 18:28:18,665 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 435 events. 141/435 cut-off events. For 992/1291 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2246 event pairs, 12 based on Foata normal form. 31/453 useless extension candidates. Maximal degree in co-relation 1405. Up to 189 conditions per place. [2020-10-11 18:28:18,672 INFO L132 encePairwiseOnDemand]: 64/80 looper letters, 24 selfloop transitions, 19 changer transitions 22/109 dead transitions. [2020-10-11 18:28:18,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 109 transitions, 638 flow [2020-10-11 18:28:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-11 18:28:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-11 18:28:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 938 transitions. [2020-10-11 18:28:18,677 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7328125 [2020-10-11 18:28:18,677 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 938 transitions. [2020-10-11 18:28:18,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 938 transitions. [2020-10-11 18:28:18,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:18,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 938 transitions. [2020-10-11 18:28:18,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-11 18:28:18,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-11 18:28:18,683 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-11 18:28:18,683 INFO L185 Difference]: Start difference. First operand has 97 places, 78 transitions, 289 flow. Second operand 16 states and 938 transitions. [2020-10-11 18:28:18,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 109 transitions, 638 flow [2020-10-11 18:28:18,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 109 transitions, 593 flow, removed 12 selfloop flow, removed 8 redundant places. [2020-10-11 18:28:18,692 INFO L241 Difference]: Finished difference. Result has 108 places, 83 transitions, 369 flow [2020-10-11 18:28:18,692 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=369, PETRI_PLACES=108, PETRI_TRANSITIONS=83} [2020-10-11 18:28:18,692 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 25 predicate places. [2020-10-11 18:28:18,692 INFO L481 AbstractCegarLoop]: Abstraction has has 108 places, 83 transitions, 369 flow [2020-10-11 18:28:18,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-11 18:28:18,693 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:18,693 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:18,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:28:18,693 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:18,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1682609196, now seen corresponding path program 4 times [2020-10-11 18:28:18,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:18,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494964125] [2020-10-11 18:28:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:19,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494964125] [2020-10-11 18:28:19,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:19,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:19,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708738318] [2020-10-11 18:28:19,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:19,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:19,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:19,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:20,660 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 80 [2020-10-11 18:28:20,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 83 transitions, 369 flow. Second operand 12 states. [2020-10-11 18:28:20,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:20,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 80 [2020-10-11 18:28:20,661 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:21,342 INFO L129 PetriNetUnfolder]: 149/457 cut-off events. [2020-10-11 18:28:21,342 INFO L130 PetriNetUnfolder]: For 2355/2694 co-relation queries the response was YES. [2020-10-11 18:28:21,345 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1970 conditions, 457 events. 149/457 cut-off events. For 2355/2694 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2402 event pairs, 21 based on Foata normal form. 24/469 useless extension candidates. Maximal degree in co-relation 1904. Up to 196 conditions per place. [2020-10-11 18:28:21,350 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 39 selfloop transitions, 13 changer transitions 19/118 dead transitions. [2020-10-11 18:28:21,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 118 transitions, 864 flow [2020-10-11 18:28:21,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 819 transitions. [2020-10-11 18:28:21,354 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7875 [2020-10-11 18:28:21,354 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 819 transitions. [2020-10-11 18:28:21,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 819 transitions. [2020-10-11 18:28:21,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:21,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 819 transitions. [2020-10-11 18:28:21,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:21,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:21,360 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:21,360 INFO L185 Difference]: Start difference. First operand has 108 places, 83 transitions, 369 flow. Second operand 13 states and 819 transitions. [2020-10-11 18:28:21,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 118 transitions, 864 flow [2020-10-11 18:28:21,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 118 transitions, 804 flow, removed 17 selfloop flow, removed 9 redundant places. [2020-10-11 18:28:21,372 INFO L241 Difference]: Finished difference. Result has 113 places, 89 transitions, 450 flow [2020-10-11 18:28:21,373 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=450, PETRI_PLACES=113, PETRI_TRANSITIONS=89} [2020-10-11 18:28:21,373 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 30 predicate places. [2020-10-11 18:28:21,373 INFO L481 AbstractCegarLoop]: Abstraction has has 113 places, 89 transitions, 450 flow [2020-10-11 18:28:21,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:21,374 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:21,374 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:21,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:28:21,374 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:21,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:21,375 INFO L82 PathProgramCache]: Analyzing trace with hash 582036662, now seen corresponding path program 5 times [2020-10-11 18:28:21,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:21,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777083725] [2020-10-11 18:28:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:21,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777083725] [2020-10-11 18:28:21,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:21,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-11 18:28:21,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701190285] [2020-10-11 18:28:21,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-11 18:28:21,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:21,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-11 18:28:21,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-11 18:28:25,245 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 80 [2020-10-11 18:28:25,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 89 transitions, 450 flow. Second operand 16 states. [2020-10-11 18:28:25,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:25,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 80 [2020-10-11 18:28:25,247 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:25,803 INFO L129 PetriNetUnfolder]: 134/443 cut-off events. [2020-10-11 18:28:25,803 INFO L130 PetriNetUnfolder]: For 2666/3152 co-relation queries the response was YES. [2020-10-11 18:28:25,805 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 443 events. 134/443 cut-off events. For 2666/3152 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2341 event pairs, 27 based on Foata normal form. 24/456 useless extension candidates. Maximal degree in co-relation 1889. Up to 174 conditions per place. [2020-10-11 18:28:25,809 INFO L132 encePairwiseOnDemand]: 67/80 looper letters, 36 selfloop transitions, 17 changer transitions 19/116 dead transitions. [2020-10-11 18:28:25,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 116 transitions, 930 flow [2020-10-11 18:28:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-11 18:28:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-11 18:28:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 935 transitions. [2020-10-11 18:28:25,814 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.73046875 [2020-10-11 18:28:25,814 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 935 transitions. [2020-10-11 18:28:25,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 935 transitions. [2020-10-11 18:28:25,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:25,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 935 transitions. [2020-10-11 18:28:25,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-11 18:28:25,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-11 18:28:25,819 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-11 18:28:25,819 INFO L185 Difference]: Start difference. First operand has 113 places, 89 transitions, 450 flow. Second operand 16 states and 935 transitions. [2020-10-11 18:28:25,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 116 transitions, 930 flow [2020-10-11 18:28:25,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 116 transitions, 833 flow, removed 41 selfloop flow, removed 10 redundant places. [2020-10-11 18:28:25,829 INFO L241 Difference]: Finished difference. Result has 119 places, 90 transitions, 490 flow [2020-10-11 18:28:25,830 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=490, PETRI_PLACES=119, PETRI_TRANSITIONS=90} [2020-10-11 18:28:25,830 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 36 predicate places. [2020-10-11 18:28:25,830 INFO L481 AbstractCegarLoop]: Abstraction has has 119 places, 90 transitions, 490 flow [2020-10-11 18:28:25,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-11 18:28:25,830 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:25,831 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:25,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 18:28:25,831 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:25,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:25,832 INFO L82 PathProgramCache]: Analyzing trace with hash 700228969, now seen corresponding path program 1 times [2020-10-11 18:28:25,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:25,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020661645] [2020-10-11 18:28:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:26,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020661645] [2020-10-11 18:28:26,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:26,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 18:28:26,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327309071] [2020-10-11 18:28:26,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 18:28:26,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:26,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 18:28:26,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-11 18:28:27,270 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 80 [2020-10-11 18:28:27,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 90 transitions, 490 flow. Second operand 9 states. [2020-10-11 18:28:27,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:27,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 80 [2020-10-11 18:28:27,271 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:27,796 INFO L129 PetriNetUnfolder]: 126/449 cut-off events. [2020-10-11 18:28:27,796 INFO L130 PetriNetUnfolder]: For 2191/2346 co-relation queries the response was YES. [2020-10-11 18:28:27,799 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 449 events. 126/449 cut-off events. For 2191/2346 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2461 event pairs, 20 based on Foata normal form. 43/480 useless extension candidates. Maximal degree in co-relation 1737. Up to 151 conditions per place. [2020-10-11 18:28:27,802 INFO L132 encePairwiseOnDemand]: 67/80 looper letters, 26 selfloop transitions, 27 changer transitions 20/123 dead transitions. [2020-10-11 18:28:27,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 123 transitions, 940 flow [2020-10-11 18:28:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 823 transitions. [2020-10-11 18:28:27,807 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7913461538461538 [2020-10-11 18:28:27,808 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 823 transitions. [2020-10-11 18:28:27,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 823 transitions. [2020-10-11 18:28:27,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:27,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 823 transitions. [2020-10-11 18:28:27,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:27,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:27,813 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:27,814 INFO L185 Difference]: Start difference. First operand has 119 places, 90 transitions, 490 flow. Second operand 13 states and 823 transitions. [2020-10-11 18:28:27,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 123 transitions, 940 flow [2020-10-11 18:28:27,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 123 transitions, 865 flow, removed 25 selfloop flow, removed 14 redundant places. [2020-10-11 18:28:27,828 INFO L241 Difference]: Finished difference. Result has 120 places, 100 transitions, 644 flow [2020-10-11 18:28:27,828 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=644, PETRI_PLACES=120, PETRI_TRANSITIONS=100} [2020-10-11 18:28:27,828 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 37 predicate places. [2020-10-11 18:28:27,829 INFO L481 AbstractCegarLoop]: Abstraction has has 120 places, 100 transitions, 644 flow [2020-10-11 18:28:27,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 18:28:27,829 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:27,829 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:27,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 18:28:27,830 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:27,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:27,830 INFO L82 PathProgramCache]: Analyzing trace with hash -910818785, now seen corresponding path program 2 times [2020-10-11 18:28:27,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:27,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024410604] [2020-10-11 18:28:27,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:28,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024410604] [2020-10-11 18:28:28,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:28,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 18:28:28,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856965976] [2020-10-11 18:28:28,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 18:28:28,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:28,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 18:28:28,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-11 18:28:29,397 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 80 [2020-10-11 18:28:29,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 100 transitions, 644 flow. Second operand 9 states. [2020-10-11 18:28:29,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:29,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 80 [2020-10-11 18:28:29,398 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:30,120 INFO L129 PetriNetUnfolder]: 137/433 cut-off events. [2020-10-11 18:28:30,120 INFO L130 PetriNetUnfolder]: For 3736/4323 co-relation queries the response was YES. [2020-10-11 18:28:30,123 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2318 conditions, 433 events. 137/433 cut-off events. For 3736/4323 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2294 event pairs, 23 based on Foata normal form. 59/479 useless extension candidates. Maximal degree in co-relation 2244. Up to 195 conditions per place. [2020-10-11 18:28:30,126 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 34 selfloop transitions, 31 changer transitions 20/130 dead transitions. [2020-10-11 18:28:30,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 130 transitions, 1235 flow [2020-10-11 18:28:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:28:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:28:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 801 transitions. [2020-10-11 18:28:30,130 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7701923076923077 [2020-10-11 18:28:30,130 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 801 transitions. [2020-10-11 18:28:30,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 801 transitions. [2020-10-11 18:28:30,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:30,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 801 transitions. [2020-10-11 18:28:30,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:28:30,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:28:30,135 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:28:30,135 INFO L185 Difference]: Start difference. First operand has 120 places, 100 transitions, 644 flow. Second operand 13 states and 801 transitions. [2020-10-11 18:28:30,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 130 transitions, 1235 flow [2020-10-11 18:28:30,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 130 transitions, 1170 flow, removed 22 selfloop flow, removed 6 redundant places. [2020-10-11 18:28:30,148 INFO L241 Difference]: Finished difference. Result has 128 places, 105 transitions, 789 flow [2020-10-11 18:28:30,148 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=789, PETRI_PLACES=128, PETRI_TRANSITIONS=105} [2020-10-11 18:28:30,149 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 45 predicate places. [2020-10-11 18:28:30,149 INFO L481 AbstractCegarLoop]: Abstraction has has 128 places, 105 transitions, 789 flow [2020-10-11 18:28:30,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 18:28:30,149 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:30,149 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:30,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 18:28:30,149 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:30,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:30,150 INFO L82 PathProgramCache]: Analyzing trace with hash -532457185, now seen corresponding path program 3 times [2020-10-11 18:28:30,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:30,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926699308] [2020-10-11 18:28:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:30,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926699308] [2020-10-11 18:28:30,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:30,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:28:30,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462264134] [2020-10-11 18:28:30,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:28:30,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:30,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:28:30,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:28:30,891 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 80 [2020-10-11 18:28:30,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 105 transitions, 789 flow. Second operand 7 states. [2020-10-11 18:28:30,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:30,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 80 [2020-10-11 18:28:30,892 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:31,150 INFO L129 PetriNetUnfolder]: 156/520 cut-off events. [2020-10-11 18:28:31,150 INFO L130 PetriNetUnfolder]: For 5880/6408 co-relation queries the response was YES. [2020-10-11 18:28:31,153 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 520 events. 156/520 cut-off events. For 5880/6408 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3162 event pairs, 35 based on Foata normal form. 52/558 useless extension candidates. Maximal degree in co-relation 2848. Up to 197 conditions per place. [2020-10-11 18:28:31,156 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 41 selfloop transitions, 14 changer transitions 29/135 dead transitions. [2020-10-11 18:28:31,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 135 transitions, 1369 flow [2020-10-11 18:28:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 18:28:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 18:28:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 465 transitions. [2020-10-11 18:28:31,158 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8303571428571429 [2020-10-11 18:28:31,158 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 465 transitions. [2020-10-11 18:28:31,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 465 transitions. [2020-10-11 18:28:31,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:31,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 465 transitions. [2020-10-11 18:28:31,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 18:28:31,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 18:28:31,161 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 18:28:31,161 INFO L185 Difference]: Start difference. First operand has 128 places, 105 transitions, 789 flow. Second operand 7 states and 465 transitions. [2020-10-11 18:28:31,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 135 transitions, 1369 flow [2020-10-11 18:28:31,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 135 transitions, 1194 flow, removed 74 selfloop flow, removed 12 redundant places. [2020-10-11 18:28:31,181 INFO L241 Difference]: Finished difference. Result has 121 places, 106 transitions, 727 flow [2020-10-11 18:28:31,181 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=727, PETRI_PLACES=121, PETRI_TRANSITIONS=106} [2020-10-11 18:28:31,182 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 38 predicate places. [2020-10-11 18:28:31,182 INFO L481 AbstractCegarLoop]: Abstraction has has 121 places, 106 transitions, 727 flow [2020-10-11 18:28:31,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:28:31,182 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:31,182 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:31,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 18:28:31,183 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:31,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:31,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1856776827, now seen corresponding path program 4 times [2020-10-11 18:28:31,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:31,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231403775] [2020-10-11 18:28:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:31,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231403775] [2020-10-11 18:28:31,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:31,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 18:28:31,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145911385] [2020-10-11 18:28:31,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 18:28:31,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:31,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 18:28:31,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-11 18:28:32,379 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 80 [2020-10-11 18:28:32,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 106 transitions, 727 flow. Second operand 9 states. [2020-10-11 18:28:32,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:32,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 80 [2020-10-11 18:28:32,380 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:32,670 INFO L129 PetriNetUnfolder]: 102/386 cut-off events. [2020-10-11 18:28:32,671 INFO L130 PetriNetUnfolder]: For 3559/4215 co-relation queries the response was YES. [2020-10-11 18:28:32,673 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1999 conditions, 386 events. 102/386 cut-off events. For 3559/4215 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1998 event pairs, 22 based on Foata normal form. 44/416 useless extension candidates. Maximal degree in co-relation 1927. Up to 144 conditions per place. [2020-10-11 18:28:32,675 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 30 selfloop transitions, 16 changer transitions 25/120 dead transitions. [2020-10-11 18:28:32,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 1070 flow [2020-10-11 18:28:32,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 18:28:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-11 18:28:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 518 transitions. [2020-10-11 18:28:32,682 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.809375 [2020-10-11 18:28:32,682 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 518 transitions. [2020-10-11 18:28:32,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 518 transitions. [2020-10-11 18:28:32,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:32,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 518 transitions. [2020-10-11 18:28:32,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-11 18:28:32,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-11 18:28:32,684 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-11 18:28:32,685 INFO L185 Difference]: Start difference. First operand has 121 places, 106 transitions, 727 flow. Second operand 8 states and 518 transitions. [2020-10-11 18:28:32,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 1070 flow [2020-10-11 18:28:32,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 120 transitions, 1034 flow, removed 11 selfloop flow, removed 5 redundant places. [2020-10-11 18:28:32,696 INFO L241 Difference]: Finished difference. Result has 123 places, 95 transitions, 616 flow [2020-10-11 18:28:32,696 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=616, PETRI_PLACES=123, PETRI_TRANSITIONS=95} [2020-10-11 18:28:32,696 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 40 predicate places. [2020-10-11 18:28:32,696 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 95 transitions, 616 flow [2020-10-11 18:28:32,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 18:28:32,697 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:32,697 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:32,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 18:28:32,697 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:32,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:32,697 INFO L82 PathProgramCache]: Analyzing trace with hash -971666343, now seen corresponding path program 5 times [2020-10-11 18:28:32,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:32,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906005845] [2020-10-11 18:28:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:32,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906005845] [2020-10-11 18:28:32,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:32,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 18:28:32,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102405268] [2020-10-11 18:28:32,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 18:28:32,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:32,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 18:28:32,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-11 18:28:34,102 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 80 [2020-10-11 18:28:34,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 95 transitions, 616 flow. Second operand 9 states. [2020-10-11 18:28:34,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:34,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 80 [2020-10-11 18:28:34,103 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:34,360 INFO L129 PetriNetUnfolder]: 95/360 cut-off events. [2020-10-11 18:28:34,360 INFO L130 PetriNetUnfolder]: For 3350/3967 co-relation queries the response was YES. [2020-10-11 18:28:34,362 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1911 conditions, 360 events. 95/360 cut-off events. For 3350/3967 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1811 event pairs, 8 based on Foata normal form. 17/367 useless extension candidates. Maximal degree in co-relation 1838. Up to 125 conditions per place. [2020-10-11 18:28:34,364 INFO L132 encePairwiseOnDemand]: 72/80 looper letters, 32 selfloop transitions, 8 changer transitions 29/118 dead transitions. [2020-10-11 18:28:34,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 118 transitions, 1060 flow [2020-10-11 18:28:34,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 18:28:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-11 18:28:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 518 transitions. [2020-10-11 18:28:34,367 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.809375 [2020-10-11 18:28:34,367 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 518 transitions. [2020-10-11 18:28:34,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 518 transitions. [2020-10-11 18:28:34,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:34,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 518 transitions. [2020-10-11 18:28:34,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-11 18:28:34,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-11 18:28:34,370 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-11 18:28:34,370 INFO L185 Difference]: Start difference. First operand has 123 places, 95 transitions, 616 flow. Second operand 8 states and 518 transitions. [2020-10-11 18:28:34,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 118 transitions, 1060 flow [2020-10-11 18:28:34,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 118 transitions, 978 flow, removed 14 selfloop flow, removed 9 redundant places. [2020-10-11 18:28:34,380 INFO L241 Difference]: Finished difference. Result has 121 places, 86 transitions, 481 flow [2020-10-11 18:28:34,381 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=481, PETRI_PLACES=121, PETRI_TRANSITIONS=86} [2020-10-11 18:28:34,381 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 38 predicate places. [2020-10-11 18:28:34,381 INFO L481 AbstractCegarLoop]: Abstraction has has 121 places, 86 transitions, 481 flow [2020-10-11 18:28:34,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 18:28:34,381 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:34,381 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:34,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 18:28:34,382 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:34,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:34,382 INFO L82 PathProgramCache]: Analyzing trace with hash 2078626553, now seen corresponding path program 6 times [2020-10-11 18:28:34,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:34,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308264851] [2020-10-11 18:28:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:34,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308264851] [2020-10-11 18:28:34,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:34,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 18:28:34,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385767762] [2020-10-11 18:28:34,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-11 18:28:34,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:34,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-11 18:28:34,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-11 18:28:36,660 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 80 [2020-10-11 18:28:36,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 86 transitions, 481 flow. Second operand 13 states. [2020-10-11 18:28:36,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:36,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 80 [2020-10-11 18:28:36,661 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:37,157 INFO L129 PetriNetUnfolder]: 62/245 cut-off events. [2020-10-11 18:28:37,157 INFO L130 PetriNetUnfolder]: For 2216/2823 co-relation queries the response was YES. [2020-10-11 18:28:37,159 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1280 conditions, 245 events. 62/245 cut-off events. For 2216/2823 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 932 event pairs, 9 based on Foata normal form. 20/261 useless extension candidates. Maximal degree in co-relation 1205. Up to 95 conditions per place. [2020-10-11 18:28:37,160 INFO L132 encePairwiseOnDemand]: 66/80 looper letters, 39 selfloop transitions, 12 changer transitions 20/116 dead transitions. [2020-10-11 18:28:37,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 116 transitions, 1070 flow [2020-10-11 18:28:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 18:28:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 18:28:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 839 transitions. [2020-10-11 18:28:37,162 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7491071428571429 [2020-10-11 18:28:37,162 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 839 transitions. [2020-10-11 18:28:37,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 839 transitions. [2020-10-11 18:28:37,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:37,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 839 transitions. [2020-10-11 18:28:37,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 18:28:37,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 18:28:37,166 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 18:28:37,166 INFO L185 Difference]: Start difference. First operand has 121 places, 86 transitions, 481 flow. Second operand 14 states and 839 transitions. [2020-10-11 18:28:37,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 116 transitions, 1070 flow [2020-10-11 18:28:37,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 116 transitions, 1006 flow, removed 15 selfloop flow, removed 12 redundant places. [2020-10-11 18:28:37,174 INFO L241 Difference]: Finished difference. Result has 125 places, 91 transitions, 586 flow [2020-10-11 18:28:37,175 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=586, PETRI_PLACES=125, PETRI_TRANSITIONS=91} [2020-10-11 18:28:37,175 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 42 predicate places. [2020-10-11 18:28:37,175 INFO L481 AbstractCegarLoop]: Abstraction has has 125 places, 91 transitions, 586 flow [2020-10-11 18:28:37,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-11 18:28:37,175 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:37,176 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:37,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 18:28:37,176 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:37,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1408515351, now seen corresponding path program 7 times [2020-10-11 18:28:37,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:37,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011121420] [2020-10-11 18:28:37,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:37,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011121420] [2020-10-11 18:28:37,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:37,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-11 18:28:37,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268044006] [2020-10-11 18:28:37,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 18:28:37,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:37,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 18:28:37,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-11 18:28:41,004 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 80 [2020-10-11 18:28:41,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 91 transitions, 586 flow. Second operand 14 states. [2020-10-11 18:28:41,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:41,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 80 [2020-10-11 18:28:41,005 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:41,373 INFO L129 PetriNetUnfolder]: 61/248 cut-off events. [2020-10-11 18:28:41,373 INFO L130 PetriNetUnfolder]: For 3783/4397 co-relation queries the response was YES. [2020-10-11 18:28:41,375 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1523 conditions, 248 events. 61/248 cut-off events. For 3783/4397 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 966 event pairs, 10 based on Foata normal form. 21/265 useless extension candidates. Maximal degree in co-relation 1446. Up to 90 conditions per place. [2020-10-11 18:28:41,377 INFO L132 encePairwiseOnDemand]: 68/80 looper letters, 32 selfloop transitions, 8 changer transitions 25/110 dead transitions. [2020-10-11 18:28:41,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 110 transitions, 1077 flow [2020-10-11 18:28:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 18:28:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 18:28:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 717 transitions. [2020-10-11 18:28:41,379 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.746875 [2020-10-11 18:28:41,379 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 717 transitions. [2020-10-11 18:28:41,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 717 transitions. [2020-10-11 18:28:41,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:41,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 717 transitions. [2020-10-11 18:28:41,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 18:28:41,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 18:28:41,382 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 18:28:41,383 INFO L185 Difference]: Start difference. First operand has 125 places, 91 transitions, 586 flow. Second operand 12 states and 717 transitions. [2020-10-11 18:28:41,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 110 transitions, 1077 flow [2020-10-11 18:28:41,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 110 transitions, 893 flow, removed 87 selfloop flow, removed 10 redundant places. [2020-10-11 18:28:41,393 INFO L241 Difference]: Finished difference. Result has 124 places, 84 transitions, 449 flow [2020-10-11 18:28:41,393 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=449, PETRI_PLACES=124, PETRI_TRANSITIONS=84} [2020-10-11 18:28:41,395 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 41 predicate places. [2020-10-11 18:28:41,395 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 84 transitions, 449 flow [2020-10-11 18:28:41,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 18:28:41,395 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:28:41,395 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:28:41,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 18:28:41,396 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:28:41,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:28:41,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1892375195, now seen corresponding path program 8 times [2020-10-11 18:28:41,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:28:41,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87480798] [2020-10-11 18:28:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:28:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:28:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:28:41,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87480798] [2020-10-11 18:28:41,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:28:41,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:28:41,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268941586] [2020-10-11 18:28:41,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:28:41,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:28:41,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:28:41,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:28:43,132 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 80 [2020-10-11 18:28:43,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 84 transitions, 449 flow. Second operand 12 states. [2020-10-11 18:28:43,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:28:43,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 80 [2020-10-11 18:28:43,133 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:28:43,470 INFO L129 PetriNetUnfolder]: 33/160 cut-off events. [2020-10-11 18:28:43,470 INFO L130 PetriNetUnfolder]: For 1232/1505 co-relation queries the response was YES. [2020-10-11 18:28:43,471 INFO L80 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 160 events. 33/160 cut-off events. For 1232/1505 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 457 event pairs, 2 based on Foata normal form. 10/167 useless extension candidates. Maximal degree in co-relation 705. Up to 46 conditions per place. [2020-10-11 18:28:43,471 INFO L132 encePairwiseOnDemand]: 72/80 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2020-10-11 18:28:43,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 92 transitions, 699 flow [2020-10-11 18:28:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:28:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:28:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 561 transitions. [2020-10-11 18:28:43,473 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7791666666666667 [2020-10-11 18:28:43,474 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 561 transitions. [2020-10-11 18:28:43,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 561 transitions. [2020-10-11 18:28:43,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:28:43,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 561 transitions. [2020-10-11 18:28:43,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:28:43,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:28:43,476 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:28:43,476 INFO L185 Difference]: Start difference. First operand has 124 places, 84 transitions, 449 flow. Second operand 9 states and 561 transitions. [2020-10-11 18:28:43,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 92 transitions, 699 flow [2020-10-11 18:28:43,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 92 transitions, 632 flow, removed 23 selfloop flow, removed 13 redundant places. [2020-10-11 18:28:43,481 INFO L241 Difference]: Finished difference. Result has 110 places, 0 transitions, 0 flow [2020-10-11 18:28:43,481 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=110, PETRI_TRANSITIONS=0} [2020-10-11 18:28:43,482 INFO L341 CegarLoopForPetriNet]: 83 programPoint places, 27 predicate places. [2020-10-11 18:28:43,482 INFO L481 AbstractCegarLoop]: Abstraction has has 110 places, 0 transitions, 0 flow [2020-10-11 18:28:43,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:28:43,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 18:28:43,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:28:43 BasicIcfg [2020-10-11 18:28:43,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:28:43,491 INFO L168 Benchmark]: Toolchain (without parser) took 42126.49 ms. Allocated memory was 252.7 MB in the beginning and 823.1 MB in the end (delta: 570.4 MB). Free memory was 205.7 MB in the beginning and 314.5 MB in the end (delta: -108.8 MB). Peak memory consumption was 461.6 MB. Max. memory is 14.2 GB. [2020-10-11 18:28:43,492 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:28:43,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.76 ms. Allocated memory was 252.7 MB in the beginning and 318.2 MB in the end (delta: 65.5 MB). Free memory was 205.7 MB in the beginning and 266.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:28:43,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.18 ms. Allocated memory is still 318.2 MB. Free memory was 266.0 MB in the beginning and 263.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:28:43,494 INFO L168 Benchmark]: Boogie Preprocessor took 48.83 ms. Allocated memory is still 318.2 MB. Free memory was 263.5 MB in the beginning and 261.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:28:43,495 INFO L168 Benchmark]: RCFGBuilder took 3647.13 ms. Allocated memory was 318.2 MB in the beginning and 373.8 MB in the end (delta: 55.6 MB). Free memory was 261.0 MB in the beginning and 166.2 MB in the end (delta: 94.8 MB). Peak memory consumption was 150.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:28:43,495 INFO L168 Benchmark]: TraceAbstraction took 37562.07 ms. Allocated memory was 373.8 MB in the beginning and 823.1 MB in the end (delta: 449.3 MB). Free memory was 166.2 MB in the beginning and 314.5 MB in the end (delta: -148.3 MB). Peak memory consumption was 301.0 MB. Max. memory is 14.2 GB. [2020-10-11 18:28:43,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 793.76 ms. Allocated memory was 252.7 MB in the beginning and 318.2 MB in the end (delta: 65.5 MB). Free memory was 205.7 MB in the beginning and 266.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 69.18 ms. Allocated memory is still 318.2 MB. Free memory was 266.0 MB in the beginning and 263.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 48.83 ms. Allocated memory is still 318.2 MB. Free memory was 263.5 MB in the beginning and 261.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 3647.13 ms. Allocated memory was 318.2 MB in the beginning and 373.8 MB in the end (delta: 55.6 MB). Free memory was 261.0 MB in the beginning and 166.2 MB in the end (delta: 94.8 MB). Peak memory consumption was 150.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 37562.07 ms. Allocated memory was 373.8 MB in the beginning and 823.1 MB in the end (delta: 449.3 MB). Free memory was 166.2 MB in the beginning and 314.5 MB in the end (delta: -148.3 MB). Peak memory consumption was 301.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 37.3s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 31.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 658 SDtfs, 1228 SDslu, 4569 SDs, 0 SdLazy, 4588 SolverSat, 548 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 889 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 873 ConstructedInterpolants, 0 QuantifiedInterpolants, 345037 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 correct! Received shutdown request...