/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 12:58:59,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 12:58:59,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 12:58:59,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 12:58:59,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 12:58:59,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 12:58:59,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 12:58:59,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 12:58:59,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 12:58:59,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 12:58:59,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 12:58:59,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 12:58:59,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 12:58:59,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 12:58:59,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 12:58:59,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 12:58:59,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 12:58:59,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 12:58:59,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 12:58:59,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 12:58:59,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 12:58:59,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 12:58:59,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 12:58:59,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 12:58:59,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 12:58:59,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 12:58:59,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 12:58:59,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 12:58:59,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 12:58:59,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 12:58:59,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 12:58:59,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 12:58:59,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 12:58:59,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 12:58:59,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 12:58:59,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 12:58:59,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 12:58:59,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 12:58:59,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 12:58:59,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 12:58:59,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 12:58:59,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 12:58:59,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 12:58:59,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 12:58:59,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 12:58:59,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 12:58:59,320 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 12:58:59,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 12:58:59,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 12:58:59,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 12:58:59,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 12:58:59,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 12:58:59,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 12:58:59,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 12:58:59,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 12:58:59,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 12:58:59,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 12:58:59,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 12:58:59,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 12:58:59,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 12:58:59,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 12:58:59,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 12:58:59,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 12:58:59,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 12:58:59,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 12:58:59,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 12:58:59,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 12:58:59,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 12:58:59,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 12:58:59,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 12:58:59,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 12:58:59,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 12:58:59,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 12:58:59,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 12:58:59,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 12:58:59,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 12:58:59,634 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 12:58:59,635 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-10-11 12:58:59,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c4bc24f/1527c762ceeb4d01ba565dbacf4dd94c/FLAG975f6bdb1 [2020-10-11 12:59:00,194 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 12:59:00,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2020-10-11 12:59:00,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c4bc24f/1527c762ceeb4d01ba565dbacf4dd94c/FLAG975f6bdb1 [2020-10-11 12:59:00,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c4bc24f/1527c762ceeb4d01ba565dbacf4dd94c [2020-10-11 12:59:00,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 12:59:00,483 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 12:59:00,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 12:59:00,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 12:59:00,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 12:59:00,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:59:00" (1/1) ... [2020-10-11 12:59:00,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bce534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:00, skipping insertion in model container [2020-10-11 12:59:00,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:59:00" (1/1) ... [2020-10-11 12:59:00,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 12:59:00,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 12:59:01,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 12:59:01,205 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 12:59:01,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 12:59:01,419 INFO L208 MainTranslator]: Completed translation [2020-10-11 12:59:01,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01 WrapperNode [2020-10-11 12:59:01,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 12:59:01,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 12:59:01,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 12:59:01,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 12:59:01,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 12:59:01,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 12:59:01,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 12:59:01,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 12:59:01,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (1/1) ... [2020-10-11 12:59:01,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 12:59:01,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 12:59:01,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 12:59:01,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 12:59:01,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (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 12:59:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 12:59:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 12:59:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 12:59:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 12:59:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 12:59:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 12:59:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 12:59:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 12:59:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 12:59:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 12:59:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 12:59:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 12:59:01,640 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 12:59:02,248 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 12:59:02,249 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-11 12:59:02,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:59:02 BoogieIcfgContainer [2020-10-11 12:59:02,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 12:59:02,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 12:59:02,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 12:59:02,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 12:59:02,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:59:00" (1/3) ... [2020-10-11 12:59:02,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ace4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:59:02, skipping insertion in model container [2020-10-11 12:59:02,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:01" (2/3) ... [2020-10-11 12:59:02,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ace4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:59:02, skipping insertion in model container [2020-10-11 12:59:02,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:59:02" (3/3) ... [2020-10-11 12:59:02,261 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-10-11 12:59:02,274 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 12:59:02,274 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 12:59:02,283 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-11 12:59:02,284 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 12:59:02,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,333 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,334 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,335 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,336 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,337 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,337 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,337 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,338 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,338 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,338 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,338 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,339 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,348 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,352 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,352 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,356 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,359 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,359 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,361 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,364 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,364 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,364 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,365 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,365 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,365 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,365 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,365 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,366 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,366 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,366 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,366 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,366 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,367 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,367 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,367 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,367 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,368 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,368 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,368 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,368 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,370 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,370 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,370 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,370 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,372 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,372 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,373 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,374 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,375 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,377 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,378 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,396 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,397 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,397 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,398 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,402 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,402 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,403 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,403 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,403 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,403 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,403 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,404 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,404 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,404 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,404 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,404 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,404 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,405 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,405 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,405 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,405 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,405 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,406 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,407 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,407 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,408 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,410 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,428 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,428 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,428 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,429 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,430 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,430 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,431 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,431 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:02,455 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 12:59:02,475 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 12:59:02,476 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 12:59:02,476 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 12:59:02,476 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 12:59:02,476 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 12:59:02,476 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 12:59:02,476 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 12:59:02,476 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 12:59:02,494 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 12:59:02,496 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-11 12:59:02,500 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-11 12:59:02,502 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-11 12:59:02,599 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-11 12:59:02,599 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 12:59:02,612 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-10-11 12:59:02,626 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-11 12:59:06,399 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-11 12:59:06,520 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-11 12:59:07,410 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-11 12:59:07,549 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-11 12:59:08,532 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2020-10-11 12:59:08,859 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-11 12:59:09,801 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 132 [2020-10-11 12:59:10,257 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-11 12:59:10,632 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-11 12:59:11,002 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-11 12:59:12,574 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-11 12:59:13,021 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-11 12:59:13,036 INFO L132 LiptonReduction]: Checked pairs total: 39936 [2020-10-11 12:59:13,036 INFO L134 LiptonReduction]: Total number of compositions: 207 [2020-10-11 12:59:13,057 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 72 transitions, 166 flow [2020-10-11 12:59:13,108 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1165 states. [2020-10-11 12:59:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states. [2020-10-11 12:59:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-10-11 12:59:13,114 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:13,115 INFO L421 BasicCegarLoop]: trace histogram [1, 1] [2020-10-11 12:59:13,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:13,121 INFO L82 PathProgramCache]: Analyzing trace with hash 30247, now seen corresponding path program 1 times [2020-10-11 12:59:13,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:13,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329163153] [2020-10-11 12:59:13,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:13,248 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 12:59:13,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329163153] [2020-10-11 12:59:13,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:13,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 12:59:13,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024781567] [2020-10-11 12:59:13,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 12:59:13,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:13,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 12:59:13,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 12:59:13,272 INFO L87 Difference]: Start difference. First operand 1165 states. Second operand 2 states. [2020-10-11 12:59:13,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:13,329 INFO L93 Difference]: Finished difference Result 1163 states and 3076 transitions. [2020-10-11 12:59:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 12:59:13,331 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2020-10-11 12:59:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:13,362 INFO L225 Difference]: With dead ends: 1163 [2020-10-11 12:59:13,363 INFO L226 Difference]: Without dead ends: 1077 [2020-10-11 12:59:13,364 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 12:59:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-11 12:59:13,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2020-10-11 12:59:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-10-11 12:59:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 2875 transitions. [2020-10-11 12:59:13,486 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 2875 transitions. Word has length 2 [2020-10-11 12:59:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:13,487 INFO L481 AbstractCegarLoop]: Abstraction has 1077 states and 2875 transitions. [2020-10-11 12:59:13,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 12:59:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2875 transitions. [2020-10-11 12:59:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 12:59:13,491 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:13,491 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:13,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 12:59:13,492 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:13,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:13,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1551148377, now seen corresponding path program 1 times [2020-10-11 12:59:13,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:13,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023451844] [2020-10-11 12:59:13,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:13,680 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 12:59:13,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023451844] [2020-10-11 12:59:13,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:13,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 12:59:13,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476894227] [2020-10-11 12:59:13,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 12:59:13,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:13,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 12:59:13,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:13,684 INFO L87 Difference]: Start difference. First operand 1077 states and 2875 transitions. Second operand 3 states. [2020-10-11 12:59:13,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:13,710 INFO L93 Difference]: Finished difference Result 1077 states and 2838 transitions. [2020-10-11 12:59:13,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 12:59:13,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-11 12:59:13,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:13,719 INFO L225 Difference]: With dead ends: 1077 [2020-10-11 12:59:13,719 INFO L226 Difference]: Without dead ends: 1077 [2020-10-11 12:59:13,720 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:13,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-11 12:59:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2020-10-11 12:59:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-10-11 12:59:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 2838 transitions. [2020-10-11 12:59:13,757 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 2838 transitions. Word has length 11 [2020-10-11 12:59:13,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:13,757 INFO L481 AbstractCegarLoop]: Abstraction has 1077 states and 2838 transitions. [2020-10-11 12:59:13,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 12:59:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2838 transitions. [2020-10-11 12:59:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 12:59:13,760 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:13,760 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:13,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 12:59:13,761 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:13,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:13,761 INFO L82 PathProgramCache]: Analyzing trace with hash 304222627, now seen corresponding path program 1 times [2020-10-11 12:59:13,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:13,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850693637] [2020-10-11 12:59:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:14,194 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-11 12:59:14,253 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 12:59:14,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850693637] [2020-10-11 12:59:14,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:14,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 12:59:14,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209882649] [2020-10-11 12:59:14,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 12:59:14,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:14,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 12:59:14,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-11 12:59:14,256 INFO L87 Difference]: Start difference. First operand 1077 states and 2838 transitions. Second operand 6 states. [2020-10-11 12:59:14,467 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-11 12:59:14,745 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-11 12:59:15,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:15,175 INFO L93 Difference]: Finished difference Result 1076 states and 2835 transitions. [2020-10-11 12:59:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 12:59:15,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-11 12:59:15,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:15,182 INFO L225 Difference]: With dead ends: 1076 [2020-10-11 12:59:15,183 INFO L226 Difference]: Without dead ends: 1076 [2020-10-11 12:59:15,183 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-11 12:59:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-11 12:59:15,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2020-10-11 12:59:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-10-11 12:59:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 2835 transitions. [2020-10-11 12:59:15,214 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 2835 transitions. Word has length 13 [2020-10-11 12:59:15,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:15,214 INFO L481 AbstractCegarLoop]: Abstraction has 1076 states and 2835 transitions. [2020-10-11 12:59:15,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 12:59:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2835 transitions. [2020-10-11 12:59:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 12:59:15,216 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:15,216 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:15,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 12:59:15,217 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:15,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:15,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2053158153, now seen corresponding path program 1 times [2020-10-11 12:59:15,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:15,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783796590] [2020-10-11 12:59:15,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:15,274 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 12:59:15,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783796590] [2020-10-11 12:59:15,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:15,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 12:59:15,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130050545] [2020-10-11 12:59:15,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 12:59:15,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:15,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 12:59:15,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:15,276 INFO L87 Difference]: Start difference. First operand 1076 states and 2835 transitions. Second operand 3 states. [2020-10-11 12:59:15,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:15,294 INFO L93 Difference]: Finished difference Result 941 states and 2417 transitions. [2020-10-11 12:59:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 12:59:15,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-11 12:59:15,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:15,301 INFO L225 Difference]: With dead ends: 941 [2020-10-11 12:59:15,301 INFO L226 Difference]: Without dead ends: 909 [2020-10-11 12:59:15,302 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:15,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-11 12:59:15,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2020-10-11 12:59:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-11 12:59:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 2342 transitions. [2020-10-11 12:59:15,327 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 2342 transitions. Word has length 13 [2020-10-11 12:59:15,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:15,329 INFO L481 AbstractCegarLoop]: Abstraction has 909 states and 2342 transitions. [2020-10-11 12:59:15,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 12:59:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 2342 transitions. [2020-10-11 12:59:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:59:15,330 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:15,330 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:15,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 12:59:15,331 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:15,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:15,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1470878311, now seen corresponding path program 1 times [2020-10-11 12:59:15,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:15,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173659692] [2020-10-11 12:59:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:15,481 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 12:59:15,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173659692] [2020-10-11 12:59:15,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:15,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 12:59:15,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283449013] [2020-10-11 12:59:15,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 12:59:15,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:15,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 12:59:15,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-11 12:59:15,484 INFO L87 Difference]: Start difference. First operand 909 states and 2342 transitions. Second operand 7 states. [2020-10-11 12:59:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:15,803 INFO L93 Difference]: Finished difference Result 993 states and 2540 transitions. [2020-10-11 12:59:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 12:59:15,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-11 12:59:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:15,811 INFO L225 Difference]: With dead ends: 993 [2020-10-11 12:59:15,811 INFO L226 Difference]: Without dead ends: 993 [2020-10-11 12:59:15,811 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-11 12:59:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-10-11 12:59:15,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 965. [2020-10-11 12:59:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2020-10-11 12:59:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 2474 transitions. [2020-10-11 12:59:15,877 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 2474 transitions. Word has length 14 [2020-10-11 12:59:15,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:15,878 INFO L481 AbstractCegarLoop]: Abstraction has 965 states and 2474 transitions. [2020-10-11 12:59:15,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 12:59:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 2474 transitions. [2020-10-11 12:59:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:59:15,880 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:15,881 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:15,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 12:59:15,881 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:15,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash -69142429, now seen corresponding path program 2 times [2020-10-11 12:59:15,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:15,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763415972] [2020-10-11 12:59:15,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:16,311 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-11 12:59:16,428 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 12:59:16,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763415972] [2020-10-11 12:59:16,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:16,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 12:59:16,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062347620] [2020-10-11 12:59:16,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 12:59:16,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:16,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 12:59:16,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-11 12:59:16,430 INFO L87 Difference]: Start difference. First operand 965 states and 2474 transitions. Second operand 7 states. [2020-10-11 12:59:16,674 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-11 12:59:16,908 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-11 12:59:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:17,479 INFO L93 Difference]: Finished difference Result 1035 states and 2639 transitions. [2020-10-11 12:59:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 12:59:17,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-11 12:59:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:17,486 INFO L225 Difference]: With dead ends: 1035 [2020-10-11 12:59:17,486 INFO L226 Difference]: Without dead ends: 1035 [2020-10-11 12:59:17,487 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-11 12:59:17,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-10-11 12:59:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 951. [2020-10-11 12:59:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-10-11 12:59:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 2441 transitions. [2020-10-11 12:59:17,510 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 2441 transitions. Word has length 14 [2020-10-11 12:59:17,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:17,510 INFO L481 AbstractCegarLoop]: Abstraction has 951 states and 2441 transitions. [2020-10-11 12:59:17,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 12:59:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 2441 transitions. [2020-10-11 12:59:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:59:17,512 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:17,512 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:17,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 12:59:17,512 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:17,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1011820279, now seen corresponding path program 3 times [2020-10-11 12:59:17,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:17,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600985344] [2020-10-11 12:59:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:17,700 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-11 12:59:17,836 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-11 12:59:17,940 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 12:59:17,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600985344] [2020-10-11 12:59:17,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:17,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 12:59:17,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929890298] [2020-10-11 12:59:17,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 12:59:17,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:17,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 12:59:17,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-11 12:59:17,943 INFO L87 Difference]: Start difference. First operand 951 states and 2441 transitions. Second operand 7 states. [2020-10-11 12:59:18,165 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-11 12:59:18,409 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-11 12:59:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:18,923 INFO L93 Difference]: Finished difference Result 937 states and 2394 transitions. [2020-10-11 12:59:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 12:59:18,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-11 12:59:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:18,929 INFO L225 Difference]: With dead ends: 937 [2020-10-11 12:59:18,929 INFO L226 Difference]: Without dead ends: 937 [2020-10-11 12:59:18,929 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-11 12:59:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-11 12:59:18,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 895. [2020-10-11 12:59:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-11 12:59:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 2295 transitions. [2020-10-11 12:59:18,951 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 2295 transitions. Word has length 14 [2020-10-11 12:59:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:18,952 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 2295 transitions. [2020-10-11 12:59:18,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 12:59:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 2295 transitions. [2020-10-11 12:59:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:59:18,953 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:18,953 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:18,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 12:59:18,953 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:18,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1520950043, now seen corresponding path program 1 times [2020-10-11 12:59:18,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:18,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825768295] [2020-10-11 12:59:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:19,212 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-10-11 12:59:19,422 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-11 12:59:19,712 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 12:59:19,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825768295] [2020-10-11 12:59:19,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:19,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 12:59:19,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014177804] [2020-10-11 12:59:19,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-11 12:59:19,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:19,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-11 12:59:19,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-11 12:59:19,714 INFO L87 Difference]: Start difference. First operand 895 states and 2295 transitions. Second operand 10 states. [2020-10-11 12:59:20,045 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-10-11 12:59:20,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:20,548 INFO L93 Difference]: Finished difference Result 893 states and 2291 transitions. [2020-10-11 12:59:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 12:59:20,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-11 12:59:20,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:20,555 INFO L225 Difference]: With dead ends: 893 [2020-10-11 12:59:20,555 INFO L226 Difference]: Without dead ends: 893 [2020-10-11 12:59:20,555 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-11 12:59:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-11 12:59:20,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2020-10-11 12:59:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-11 12:59:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 2291 transitions. [2020-10-11 12:59:20,577 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 2291 transitions. Word has length 14 [2020-10-11 12:59:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:20,577 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 2291 transitions. [2020-10-11 12:59:20,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-11 12:59:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2291 transitions. [2020-10-11 12:59:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:20,578 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:20,578 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:20,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 12:59:20,578 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:20,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:20,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1967571483, now seen corresponding path program 1 times [2020-10-11 12:59:20,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:20,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625730070] [2020-10-11 12:59:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:20,945 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 12:59:20,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625730070] [2020-10-11 12:59:20,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:20,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-11 12:59:20,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123974707] [2020-10-11 12:59:20,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 12:59:20,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:20,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 12:59:20,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-11 12:59:20,947 INFO L87 Difference]: Start difference. First operand 893 states and 2291 transitions. Second operand 11 states. [2020-10-11 12:59:21,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:21,666 INFO L93 Difference]: Finished difference Result 989 states and 2526 transitions. [2020-10-11 12:59:21,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 12:59:21,667 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-11 12:59:21,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:21,671 INFO L225 Difference]: With dead ends: 989 [2020-10-11 12:59:21,672 INFO L226 Difference]: Without dead ends: 934 [2020-10-11 12:59:21,672 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-11 12:59:21,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-11 12:59:21,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 880. [2020-10-11 12:59:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-11 12:59:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 2269 transitions. [2020-10-11 12:59:21,692 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 2269 transitions. Word has length 15 [2020-10-11 12:59:21,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:21,692 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 2269 transitions. [2020-10-11 12:59:21,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 12:59:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 2269 transitions. [2020-10-11 12:59:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:21,693 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:21,693 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:21,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 12:59:21,693 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:21,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:21,694 INFO L82 PathProgramCache]: Analyzing trace with hash -188053239, now seen corresponding path program 2 times [2020-10-11 12:59:21,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:21,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619876406] [2020-10-11 12:59:21,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:22,075 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 12:59:22,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619876406] [2020-10-11 12:59:22,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:22,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-11 12:59:22,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622126668] [2020-10-11 12:59:22,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 12:59:22,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:22,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 12:59:22,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-11 12:59:22,077 INFO L87 Difference]: Start difference. First operand 880 states and 2269 transitions. Second operand 11 states. [2020-10-11 12:59:22,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:22,713 INFO L93 Difference]: Finished difference Result 992 states and 2552 transitions. [2020-10-11 12:59:22,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 12:59:22,714 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-11 12:59:22,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:22,719 INFO L225 Difference]: With dead ends: 992 [2020-10-11 12:59:22,719 INFO L226 Difference]: Without dead ends: 977 [2020-10-11 12:59:22,720 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-11 12:59:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-11 12:59:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 866. [2020-10-11 12:59:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-10-11 12:59:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2236 transitions. [2020-10-11 12:59:22,741 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2236 transitions. Word has length 15 [2020-10-11 12:59:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:22,742 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 2236 transitions. [2020-10-11 12:59:22,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 12:59:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2236 transitions. [2020-10-11 12:59:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:22,742 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:22,742 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:22,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 12:59:22,743 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:22,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:22,743 INFO L82 PathProgramCache]: Analyzing trace with hash -96892779, now seen corresponding path program 3 times [2020-10-11 12:59:22,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:22,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843214570] [2020-10-11 12:59:22,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:23,091 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 12:59:23,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843214570] [2020-10-11 12:59:23,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:23,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-11 12:59:23,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117216052] [2020-10-11 12:59:23,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 12:59:23,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 12:59:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-11 12:59:23,093 INFO L87 Difference]: Start difference. First operand 866 states and 2236 transitions. Second operand 11 states. [2020-10-11 12:59:23,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:23,717 INFO L93 Difference]: Finished difference Result 910 states and 2345 transitions. [2020-10-11 12:59:23,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 12:59:23,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-11 12:59:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:23,724 INFO L225 Difference]: With dead ends: 910 [2020-10-11 12:59:23,725 INFO L226 Difference]: Without dead ends: 900 [2020-10-11 12:59:23,729 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-11 12:59:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-11 12:59:23,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 852. [2020-10-11 12:59:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-11 12:59:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 2203 transitions. [2020-10-11 12:59:23,751 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 2203 transitions. Word has length 15 [2020-10-11 12:59:23,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:23,751 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 2203 transitions. [2020-10-11 12:59:23,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 12:59:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2203 transitions. [2020-10-11 12:59:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:23,752 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:23,752 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:23,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 12:59:23,753 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:23,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:23,753 INFO L82 PathProgramCache]: Analyzing trace with hash -95278299, now seen corresponding path program 4 times [2020-10-11 12:59:23,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:23,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557694901] [2020-10-11 12:59:23,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:28,498 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-11 12:59:28,900 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-10-11 12:59:29,178 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-11 12:59:29,628 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 52 [2020-10-11 12:59:30,383 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-10-11 12:59:31,256 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-10-11 12:59:31,931 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-11 12:59:32,673 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-10-11 12:59:32,854 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 12:59:32,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557694901] [2020-10-11 12:59:32,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:32,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-11 12:59:32,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838822015] [2020-10-11 12:59:32,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 12:59:32,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:32,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 12:59:32,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-11 12:59:32,856 INFO L87 Difference]: Start difference. First operand 852 states and 2203 transitions. Second operand 12 states. [2020-10-11 12:59:33,271 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-10-11 12:59:35,606 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-11 12:59:39,343 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 103 [2020-10-11 12:59:45,036 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification that was a NOOP. DAG size: 115 [2020-10-11 12:59:53,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:53,454 INFO L93 Difference]: Finished difference Result 854 states and 2218 transitions. [2020-10-11 12:59:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 12:59:53,457 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-10-11 12:59:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:53,461 INFO L225 Difference]: With dead ends: 854 [2020-10-11 12:59:53,461 INFO L226 Difference]: Without dead ends: 849 [2020-10-11 12:59:53,461 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-11 12:59:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-10-11 12:59:53,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 810. [2020-10-11 12:59:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-11 12:59:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 2109 transitions. [2020-10-11 12:59:53,479 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 2109 transitions. Word has length 15 [2020-10-11 12:59:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:53,479 INFO L481 AbstractCegarLoop]: Abstraction has 810 states and 2109 transitions. [2020-10-11 12:59:53,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 12:59:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 2109 transitions. [2020-10-11 12:59:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 12:59:53,481 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:53,481 INFO L421 BasicCegarLoop]: 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] [2020-10-11 12:59:53,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 12:59:53,482 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:53,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:53,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1510697184, now seen corresponding path program 1 times [2020-10-11 12:59:53,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:53,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619841629] [2020-10-11 12:59:53,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:53,514 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 12:59:53,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619841629] [2020-10-11 12:59:53,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:53,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 12:59:53,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879423541] [2020-10-11 12:59:53,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 12:59:53,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:53,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 12:59:53,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:53,516 INFO L87 Difference]: Start difference. First operand 810 states and 2109 transitions. Second operand 3 states. [2020-10-11 12:59:53,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:53,552 INFO L93 Difference]: Finished difference Result 373 states and 802 transitions. [2020-10-11 12:59:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 12:59:53,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-10-11 12:59:53,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:53,556 INFO L225 Difference]: With dead ends: 373 [2020-10-11 12:59:53,556 INFO L226 Difference]: Without dead ends: 367 [2020-10-11 12:59:53,556 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-10-11 12:59:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 301. [2020-10-11 12:59:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-11 12:59:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 653 transitions. [2020-10-11 12:59:53,563 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 653 transitions. Word has length 35 [2020-10-11 12:59:53,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:53,563 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 653 transitions. [2020-10-11 12:59:53,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 12:59:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 653 transitions. [2020-10-11 12:59:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-11 12:59:53,565 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:53,565 INFO L421 BasicCegarLoop]: 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] [2020-10-11 12:59:53,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 12:59:53,565 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1665489794, now seen corresponding path program 1 times [2020-10-11 12:59:53,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:53,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788395500] [2020-10-11 12:59:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:54,164 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 12:59:54,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788395500] [2020-10-11 12:59:54,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:54,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-11 12:59:54,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427309695] [2020-10-11 12:59:54,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-11 12:59:54,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:54,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-11 12:59:54,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-10-11 12:59:54,166 INFO L87 Difference]: Start difference. First operand 301 states and 653 transitions. Second operand 16 states. [2020-10-11 12:59:55,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:55,321 INFO L93 Difference]: Finished difference Result 353 states and 760 transitions. [2020-10-11 12:59:55,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 12:59:55,323 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 36 [2020-10-11 12:59:55,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:55,326 INFO L225 Difference]: With dead ends: 353 [2020-10-11 12:59:55,326 INFO L226 Difference]: Without dead ends: 353 [2020-10-11 12:59:55,326 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2020-10-11 12:59:55,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-10-11 12:59:55,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 341. [2020-10-11 12:59:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-11 12:59:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 736 transitions. [2020-10-11 12:59:55,333 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 736 transitions. Word has length 36 [2020-10-11 12:59:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:55,333 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 736 transitions. [2020-10-11 12:59:55,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-11 12:59:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 736 transitions. [2020-10-11 12:59:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-11 12:59:55,334 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:55,334 INFO L421 BasicCegarLoop]: 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] [2020-10-11 12:59:55,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 12:59:55,335 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:55,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:55,335 INFO L82 PathProgramCache]: Analyzing trace with hash 761278187, now seen corresponding path program 1 times [2020-10-11 12:59:55,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:55,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974169881] [2020-10-11 12:59:55,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:56,163 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 12:59:56,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974169881] [2020-10-11 12:59:56,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:56,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-11 12:59:56,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127916575] [2020-10-11 12:59:56,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 12:59:56,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:56,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 12:59:56,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-10-11 12:59:56,166 INFO L87 Difference]: Start difference. First operand 341 states and 736 transitions. Second operand 17 states. [2020-10-11 12:59:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:57,437 INFO L93 Difference]: Finished difference Result 516 states and 1112 transitions. [2020-10-11 12:59:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 12:59:57,438 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2020-10-11 12:59:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:57,442 INFO L225 Difference]: With dead ends: 516 [2020-10-11 12:59:57,442 INFO L226 Difference]: Without dead ends: 507 [2020-10-11 12:59:57,443 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2020-10-11 12:59:57,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-11 12:59:57,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 455. [2020-10-11 12:59:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-10-11 12:59:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 991 transitions. [2020-10-11 12:59:57,452 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 991 transitions. Word has length 37 [2020-10-11 12:59:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:57,453 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 991 transitions. [2020-10-11 12:59:57,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 12:59:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 991 transitions. [2020-10-11 12:59:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 12:59:57,454 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:57,455 INFO L421 BasicCegarLoop]: 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 12:59:57,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 12:59:57,455 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:59:57,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:57,455 INFO L82 PathProgramCache]: Analyzing trace with hash 2126544081, now seen corresponding path program 1 times [2020-10-11 12:59:57,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:57,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258030555] [2020-10-11 12:59:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:57,920 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-10-11 12:59:58,063 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-10-11 12:59:58,197 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-11 12:59:58,845 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-10-11 12:59:59,575 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 12:59:59,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258030555] [2020-10-11 12:59:59,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:59,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 12:59:59,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212184259] [2020-10-11 12:59:59,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 12:59:59,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:59,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 12:59:59,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-11 12:59:59,578 INFO L87 Difference]: Start difference. First operand 455 states and 991 transitions. Second operand 21 states. [2020-10-11 13:00:01,321 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 13:00:03,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:03,108 INFO L93 Difference]: Finished difference Result 639 states and 1368 transitions. [2020-10-11 13:00:03,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-11 13:00:03,109 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:03,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:03,113 INFO L225 Difference]: With dead ends: 639 [2020-10-11 13:00:03,113 INFO L226 Difference]: Without dead ends: 599 [2020-10-11 13:00:03,114 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2020-10-11 13:00:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-10-11 13:00:03,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 538. [2020-10-11 13:00:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-11 13:00:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1149 transitions. [2020-10-11 13:00:03,126 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1149 transitions. Word has length 38 [2020-10-11 13:00:03,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:03,127 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 1149 transitions. [2020-10-11 13:00:03,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1149 transitions. [2020-10-11 13:00:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:03,128 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:03,128 INFO L421 BasicCegarLoop]: 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 13:00:03,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 13:00:03,128 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:03,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:03,129 INFO L82 PathProgramCache]: Analyzing trace with hash 584043011, now seen corresponding path program 2 times [2020-10-11 13:00:03,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:03,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466009348] [2020-10-11 13:00:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:03,552 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-10-11 13:00:03,689 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-10-11 13:00:03,857 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-10-11 13:00:05,154 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 13:00:05,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466009348] [2020-10-11 13:00:05,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:05,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:05,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119781927] [2020-10-11 13:00:05,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:05,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:05,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:05,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:05,158 INFO L87 Difference]: Start difference. First operand 538 states and 1149 transitions. Second operand 21 states. [2020-10-11 13:00:06,832 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 13:00:08,338 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-11 13:00:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:08,788 INFO L93 Difference]: Finished difference Result 772 states and 1640 transitions. [2020-10-11 13:00:08,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-11 13:00:08,789 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:08,793 INFO L225 Difference]: With dead ends: 772 [2020-10-11 13:00:08,793 INFO L226 Difference]: Without dead ends: 732 [2020-10-11 13:00:08,794 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=157, Invalid=1033, Unknown=0, NotChecked=0, Total=1190 [2020-10-11 13:00:08,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-10-11 13:00:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 541. [2020-10-11 13:00:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-11 13:00:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 1156 transitions. [2020-10-11 13:00:08,806 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 1156 transitions. Word has length 38 [2020-10-11 13:00:08,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:08,807 INFO L481 AbstractCegarLoop]: Abstraction has 541 states and 1156 transitions. [2020-10-11 13:00:08,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1156 transitions. [2020-10-11 13:00:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:08,808 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:08,808 INFO L421 BasicCegarLoop]: 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 13:00:08,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 13:00:08,809 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:08,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:08,809 INFO L82 PathProgramCache]: Analyzing trace with hash -672100925, now seen corresponding path program 3 times [2020-10-11 13:00:08,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:08,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78472779] [2020-10-11 13:00:08,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:09,257 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-10-11 13:00:10,055 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-10-11 13:00:10,791 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 13:00:10,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78472779] [2020-10-11 13:00:10,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:10,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:10,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309689651] [2020-10-11 13:00:10,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:10,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:10,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:10,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:10,794 INFO L87 Difference]: Start difference. First operand 541 states and 1156 transitions. Second operand 21 states. [2020-10-11 13:00:12,631 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 13:00:14,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:14,514 INFO L93 Difference]: Finished difference Result 757 states and 1612 transitions. [2020-10-11 13:00:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-11 13:00:14,515 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:14,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:14,519 INFO L225 Difference]: With dead ends: 757 [2020-10-11 13:00:14,519 INFO L226 Difference]: Without dead ends: 717 [2020-10-11 13:00:14,520 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=164, Invalid=1096, Unknown=0, NotChecked=0, Total=1260 [2020-10-11 13:00:14,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-10-11 13:00:14,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 550. [2020-10-11 13:00:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-11 13:00:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1177 transitions. [2020-10-11 13:00:14,532 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1177 transitions. Word has length 38 [2020-10-11 13:00:14,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:14,532 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1177 transitions. [2020-10-11 13:00:14,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1177 transitions. [2020-10-11 13:00:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:14,534 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:14,534 INFO L421 BasicCegarLoop]: 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 13:00:14,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-11 13:00:14,535 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:14,535 INFO L82 PathProgramCache]: Analyzing trace with hash -588198373, now seen corresponding path program 4 times [2020-10-11 13:00:14,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:14,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509321819] [2020-10-11 13:00:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:14,988 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2020-10-11 13:00:15,108 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2020-10-11 13:00:15,257 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-10-11 13:00:16,498 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 13:00:16,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509321819] [2020-10-11 13:00:16,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:16,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:16,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012564932] [2020-10-11 13:00:16,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:16,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:16,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:16,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:16,502 INFO L87 Difference]: Start difference. First operand 550 states and 1177 transitions. Second operand 21 states. [2020-10-11 13:00:18,301 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-11 13:00:18,878 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-10-11 13:00:20,768 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-10-11 13:00:21,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:21,217 INFO L93 Difference]: Finished difference Result 956 states and 2045 transitions. [2020-10-11 13:00:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 13:00:21,218 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:21,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:21,223 INFO L225 Difference]: With dead ends: 956 [2020-10-11 13:00:21,223 INFO L226 Difference]: Without dead ends: 916 [2020-10-11 13:00:21,224 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=185, Invalid=1297, Unknown=0, NotChecked=0, Total=1482 [2020-10-11 13:00:21,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-11 13:00:21,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 589. [2020-10-11 13:00:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-11 13:00:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 1271 transitions. [2020-10-11 13:00:21,237 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 1271 transitions. Word has length 38 [2020-10-11 13:00:21,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:21,237 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 1271 transitions. [2020-10-11 13:00:21,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1271 transitions. [2020-10-11 13:00:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:21,239 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:21,239 INFO L421 BasicCegarLoop]: 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 13:00:21,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-11 13:00:21,239 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:21,240 INFO L82 PathProgramCache]: Analyzing trace with hash 297208907, now seen corresponding path program 5 times [2020-10-11 13:00:21,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:21,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897188677] [2020-10-11 13:00:21,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:21,686 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-10-11 13:00:21,806 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-10-11 13:00:22,059 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-10-11 13:00:22,548 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-10-11 13:00:23,272 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 13:00:23,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897188677] [2020-10-11 13:00:23,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:23,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:23,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750575932] [2020-10-11 13:00:23,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:23,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:23,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:23,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:23,274 INFO L87 Difference]: Start difference. First operand 589 states and 1271 transitions. Second operand 21 states. [2020-10-11 13:00:24,439 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-10-11 13:00:25,202 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 13:00:26,765 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-11 13:00:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:27,230 INFO L93 Difference]: Finished difference Result 763 states and 1633 transitions. [2020-10-11 13:00:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-11 13:00:27,231 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:27,234 INFO L225 Difference]: With dead ends: 763 [2020-10-11 13:00:27,234 INFO L226 Difference]: Without dead ends: 723 [2020-10-11 13:00:27,234 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2020-10-11 13:00:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-10-11 13:00:27,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 589. [2020-10-11 13:00:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-11 13:00:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 1271 transitions. [2020-10-11 13:00:27,246 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 1271 transitions. Word has length 38 [2020-10-11 13:00:27,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:27,247 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 1271 transitions. [2020-10-11 13:00:27,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1271 transitions. [2020-10-11 13:00:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:27,248 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:27,248 INFO L421 BasicCegarLoop]: 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 13:00:27,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-11 13:00:27,249 INFO L429 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:27,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2038336537, now seen corresponding path program 6 times [2020-10-11 13:00:27,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:27,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208291783] [2020-10-11 13:00:27,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:27,660 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-10-11 13:00:27,832 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-10-11 13:00:27,967 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-11 13:00:28,117 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-10-11 13:00:28,596 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-10-11 13:00:29,354 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 13:00:29,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208291783] [2020-10-11 13:00:29,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:29,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:29,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856623256] [2020-10-11 13:00:29,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:29,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:29,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:29,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:29,356 INFO L87 Difference]: Start difference. First operand 589 states and 1271 transitions. Second operand 21 states. [2020-10-11 13:00:30,588 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-10-11 13:00:31,317 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 13:00:32,977 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-11 13:00:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:33,464 INFO L93 Difference]: Finished difference Result 773 states and 1648 transitions. [2020-10-11 13:00:33,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-11 13:00:33,466 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:33,470 INFO L225 Difference]: With dead ends: 773 [2020-10-11 13:00:33,470 INFO L226 Difference]: Without dead ends: 733 [2020-10-11 13:00:33,471 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=163, Invalid=1097, Unknown=0, NotChecked=0, Total=1260 [2020-10-11 13:00:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-10-11 13:00:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 591. [2020-10-11 13:00:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-11 13:00:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1274 transitions. [2020-10-11 13:00:33,484 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1274 transitions. Word has length 38 [2020-10-11 13:00:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:33,484 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1274 transitions. [2020-10-11 13:00:33,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1274 transitions. [2020-10-11 13:00:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:33,486 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:33,486 INFO L421 BasicCegarLoop]: 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 13:00:33,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-11 13:00:33,486 INFO L429 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:33,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:33,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1334893073, now seen corresponding path program 7 times [2020-10-11 13:00:33,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:33,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071820547] [2020-10-11 13:00:33,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:33,990 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-10-11 13:00:34,123 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-11 13:00:34,269 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-10-11 13:00:34,746 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-10-11 13:00:35,510 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 13:00:35,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071820547] [2020-10-11 13:00:35,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:35,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:35,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292822132] [2020-10-11 13:00:35,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:35,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:35,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:35,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:35,517 INFO L87 Difference]: Start difference. First operand 591 states and 1274 transitions. Second operand 21 states. [2020-10-11 13:00:36,759 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-10-11 13:00:37,490 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 13:00:39,225 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-11 13:00:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:39,747 INFO L93 Difference]: Finished difference Result 777 states and 1654 transitions. [2020-10-11 13:00:39,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-11 13:00:39,749 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:39,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:39,753 INFO L225 Difference]: With dead ends: 777 [2020-10-11 13:00:39,753 INFO L226 Difference]: Without dead ends: 737 [2020-10-11 13:00:39,754 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2020-10-11 13:00:39,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-10-11 13:00:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 593. [2020-10-11 13:00:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-11 13:00:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1277 transitions. [2020-10-11 13:00:39,767 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1277 transitions. Word has length 38 [2020-10-11 13:00:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:39,767 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 1277 transitions. [2020-10-11 13:00:39,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1277 transitions. [2020-10-11 13:00:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:39,769 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:39,769 INFO L421 BasicCegarLoop]: 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 13:00:39,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-11 13:00:39,769 INFO L429 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:39,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:39,769 INFO L82 PathProgramCache]: Analyzing trace with hash -95861579, now seen corresponding path program 8 times [2020-10-11 13:00:39,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:39,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711813165] [2020-10-11 13:00:39,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:40,260 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 38 [2020-10-11 13:00:40,464 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-10-11 13:00:40,669 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-10-11 13:00:41,190 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-10-11 13:00:41,413 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2020-10-11 13:00:41,586 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2020-10-11 13:00:42,089 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2020-10-11 13:00:42,374 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 13:00:42,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711813165] [2020-10-11 13:00:42,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:42,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 13:00:42,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236536045] [2020-10-11 13:00:42,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:00:42,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:42,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:00:42,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:00:42,376 INFO L87 Difference]: Start difference. First operand 593 states and 1277 transitions. Second operand 20 states. [2020-10-11 13:00:44,257 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-11 13:00:44,717 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-11 13:00:45,856 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-10-11 13:00:46,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:46,810 INFO L93 Difference]: Finished difference Result 1107 states and 2388 transitions. [2020-10-11 13:00:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-11 13:00:46,811 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-11 13:00:46,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:46,816 INFO L225 Difference]: With dead ends: 1107 [2020-10-11 13:00:46,816 INFO L226 Difference]: Without dead ends: 1067 [2020-10-11 13:00:46,817 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=219, Invalid=1421, Unknown=0, NotChecked=0, Total=1640 [2020-10-11 13:00:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2020-10-11 13:00:46,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 602. [2020-10-11 13:00:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-11 13:00:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1300 transitions. [2020-10-11 13:00:46,831 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1300 transitions. Word has length 38 [2020-10-11 13:00:46,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:46,832 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 1300 transitions. [2020-10-11 13:00:46,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:00:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1300 transitions. [2020-10-11 13:00:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:46,833 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:46,833 INFO L421 BasicCegarLoop]: 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 13:00:46,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-11 13:00:46,834 INFO L429 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:00:46,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:46,834 INFO L82 PathProgramCache]: Analyzing trace with hash -930265675, now seen corresponding path program 9 times [2020-10-11 13:00:46,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:46,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763770796] [2020-10-11 13:00:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:50,102 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2020-10-11 13:00:50,338 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-10-11 13:00:50,833 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 57 [2020-10-11 13:00:51,456 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2020-10-11 13:00:52,614 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2020-10-11 13:00:54,200 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2020-10-11 13:00:55,615 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2020-10-11 13:00:56,822 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-10-11 13:00:58,292 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 61 [2020-10-11 13:01:01,095 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2020-10-11 13:01:01,599 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2020-10-11 13:01:02,871 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 13:01:02,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763770796] [2020-10-11 13:01:02,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:01:02,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:01:02,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4021227] [2020-10-11 13:01:02,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:01:02,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:01:02,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:01:02,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:01:02,872 INFO L87 Difference]: Start difference. First operand 602 states and 1300 transitions. Second operand 21 states. [2020-10-11 13:01:04,004 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-10-11 13:01:10,117 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-10-11 13:01:18,302 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-11 13:01:22,505 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 119 DAG size of output: 87 [2020-10-11 13:01:27,721 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 129 DAG size of output: 91 [2020-10-11 13:01:34,856 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-11 13:01:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:01:44,851 INFO L93 Difference]: Finished difference Result 901 states and 1917 transitions. [2020-10-11 13:01:44,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 13:01:44,853 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:01:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:01:44,855 INFO L225 Difference]: With dead ends: 901 [2020-10-11 13:01:44,856 INFO L226 Difference]: Without dead ends: 861 [2020-10-11 13:01:44,856 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=172, Invalid=1160, Unknown=0, NotChecked=0, Total=1332 [2020-10-11 13:01:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-11 13:01:44,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 599. [2020-10-11 13:01:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-11 13:01:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1293 transitions. [2020-10-11 13:01:44,869 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1293 transitions. Word has length 38 [2020-10-11 13:01:44,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:01:44,869 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 1293 transitions. [2020-10-11 13:01:44,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:01:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1293 transitions. [2020-10-11 13:01:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:01:44,871 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:01:44,871 INFO L421 BasicCegarLoop]: 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 13:01:44,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-11 13:01:44,871 INFO L429 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:01:44,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:01:44,871 INFO L82 PathProgramCache]: Analyzing trace with hash 390432681, now seen corresponding path program 10 times [2020-10-11 13:01:44,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:01:44,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742652455] [2020-10-11 13:01:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:01:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:01:45,174 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-10-11 13:01:45,390 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2020-10-11 13:01:45,526 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-10-11 13:01:45,683 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-10-11 13:01:46,357 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-10-11 13:01:46,517 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-11 13:01:47,076 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2020-10-11 13:01:47,270 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2020-10-11 13:01:47,509 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-10-11 13:01:47,522 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 13:01:47,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742652455] [2020-10-11 13:01:47,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:01:47,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 13:01:47,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190811144] [2020-10-11 13:01:47,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:01:47,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:01:47,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:01:47,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:01:47,523 INFO L87 Difference]: Start difference. First operand 599 states and 1293 transitions. Second operand 20 states. [2020-10-11 13:01:48,126 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-11 13:01:48,993 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-10-11 13:01:49,417 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-11 13:01:50,441 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-11 13:01:51,052 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-10-11 13:01:52,301 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-11 13:01:52,843 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-10-11 13:01:53,348 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-11 13:01:53,885 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-11 13:01:54,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:01:54,700 INFO L93 Difference]: Finished difference Result 1083 states and 2335 transitions. [2020-10-11 13:01:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-11 13:01:54,702 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-11 13:01:54,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:01:54,705 INFO L225 Difference]: With dead ends: 1083 [2020-10-11 13:01:54,705 INFO L226 Difference]: Without dead ends: 1043 [2020-10-11 13:01:54,706 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=290, Invalid=1872, Unknown=0, NotChecked=0, Total=2162 [2020-10-11 13:01:54,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-10-11 13:01:54,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 593. [2020-10-11 13:01:54,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-11 13:01:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1279 transitions. [2020-10-11 13:01:54,718 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1279 transitions. Word has length 38 [2020-10-11 13:01:54,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:01:54,718 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 1279 transitions. [2020-10-11 13:01:54,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:01:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1279 transitions. [2020-10-11 13:01:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:01:54,720 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:01:54,720 INFO L421 BasicCegarLoop]: 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 13:01:54,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-11 13:01:54,720 INFO L429 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:01:54,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:01:54,721 INFO L82 PathProgramCache]: Analyzing trace with hash 395216257, now seen corresponding path program 11 times [2020-10-11 13:01:54,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:01:54,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454080825] [2020-10-11 13:01:54,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:01:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-11 13:12:27,441 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,446 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,448 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,449 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,455 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,466 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,467 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,467 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,468 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,468 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,469 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,469 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,470 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:27,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-11 13:12:27,472 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-11 13:12:27,476 WARN L235 ceAbstractionStarter]: Timeout [2020-10-11 13:12:27,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:12:27 BasicIcfg [2020-10-11 13:12:27,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 13:12:27,484 INFO L168 Benchmark]: Toolchain (without parser) took 806995.94 ms. Allocated memory was 250.6 MB in the beginning and 6.9 GB in the end (delta: 6.6 GB). Free memory was 205.1 MB in the beginning and 409.2 MB in the end (delta: -204.1 MB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,485 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 250.6 MB. Free memory was 228.7 MB in the beginning and 227.8 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.84 ms. Allocated memory was 250.6 MB in the beginning and 314.6 MB in the end (delta: 64.0 MB). Free memory was 204.3 MB in the beginning and 242.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 36.3 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.90 ms. Allocated memory is still 314.6 MB. Free memory was 242.2 MB in the beginning and 239.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,489 INFO L168 Benchmark]: Boogie Preprocessor took 60.37 ms. Allocated memory is still 314.6 MB. Free memory was 239.7 MB in the beginning and 237.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,489 INFO L168 Benchmark]: RCFGBuilder took 695.36 ms. Allocated memory is still 314.6 MB. Free memory was 237.2 MB in the beginning and 189.4 MB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,491 INFO L168 Benchmark]: TraceAbstraction took 805224.04 ms. Allocated memory was 314.6 MB in the beginning and 6.9 GB in the end (delta: 6.5 GB). Free memory was 188.6 MB in the beginning and 409.2 MB in the end (delta: -220.7 MB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-11 13:12:27,492 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 ms. Allocated memory is still 250.6 MB. Free memory was 228.7 MB in the beginning and 227.8 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 933.84 ms. Allocated memory was 250.6 MB in the beginning and 314.6 MB in the end (delta: 64.0 MB). Free memory was 204.3 MB in the beginning and 242.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 36.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 74.90 ms. Allocated memory is still 314.6 MB. Free memory was 242.2 MB in the beginning and 239.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 60.37 ms. Allocated memory is still 314.6 MB. Free memory was 239.7 MB in the beginning and 237.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 695.36 ms. Allocated memory is still 314.6 MB. Free memory was 237.2 MB in the beginning and 189.4 MB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 805224.04 ms. Allocated memory was 314.6 MB in the beginning and 6.9 GB in the end (delta: 6.5 GB). Free memory was 188.6 MB in the beginning and 409.2 MB in the end (delta: -220.7 MB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10047 VarBasedMoverChecksPositive, 218 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 181 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 725 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.5s, 234 PlacesBefore, 66 PlacesAfterwards, 244 TransitionsBefore, 72 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 9 FixpointIterations, 63 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 24 ConcurrentYvCompositions, 4 ChoiceCompositions, 207 TotalNumberOfCompositions, 39936 MoverChecksTotal - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1013). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 805.0s, OverallIterations: 26, TraceHistogramMax: 1, AutomataDifference: 110.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.6s, HoareTripleCheckerStatistics: 1531 SDtfs, 2445 SDslu, 7414 SDs, 0 SdLazy, 20132 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 571 GetRequests, 42 SyntacticMatches, 29 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2929 ImplicationChecksByTransitivity, 77.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1165occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 25 MinimizatonAttempts, 2879 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 48.8s InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 1311726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 could not prove your program: Timeout Completed graceful shutdown