/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 18:29:41,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 18:29:41,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 18:29:41,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-10 18:29:41,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-10 18:29:41,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-10 18:29:41,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-10 18:29:41,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-10 18:29:41,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-10 18:29:41,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-10 18:29:41,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-10 18:29:41,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-10 18:29:41,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-10 18:29:41,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-10 18:29:41,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-10 18:29:41,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-10 18:29:41,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-10 18:29:41,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-10 18:29:41,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-10 18:29:41,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-10 18:29:41,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-10 18:29:41,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-10 18:29:41,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-10 18:29:41,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-10 18:29:41,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-10 18:29:41,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 18:29:41,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 18:29:41,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 18:29:41,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-03-10 18:29:41,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 18:29:41,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 18:29:41,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 18:29:41,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 18:29:41,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 18:29:41,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 18:29:41,301 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 18:29:41,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 18:29:41,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 18:29:41,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 18:29:41,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 18:29:41,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 18:29:41,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 18:29:41,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 18:29:41,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 18:29:41,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 18:29:41,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 18:29:41,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 18:29:41,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 18:29:41,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 18:29:41,543 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 18:29:41,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-03-10 18:29:41,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6722461/df7d524da60b4387b73b846ff4389538/FLAG26efef342 [2021-03-10 18:29:42,046 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 18:29:42,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-03-10 18:29:42,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6722461/df7d524da60b4387b73b846ff4389538/FLAG26efef342 [2021-03-10 18:29:42,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6722461/df7d524da60b4387b73b846ff4389538 [2021-03-10 18:29:42,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 18:29:42,361 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 18:29:42,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 18:29:42,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 18:29:42,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 18:29:42,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3866c541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42, skipping insertion in model container [2021-03-10 18:29:42,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 18:29:42,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 18:29:42,487 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-10 18:29:42,657 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-03-10 18:29:42,660 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-03-10 18:29:42,660 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-03-10 18:29:42,704 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-03-10 18:29:42,705 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-03-10 18:29:42,706 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-03-10 18:29:42,707 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-03-10 18:29:42,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 18:29:42,716 INFO L203 MainTranslator]: Completed pre-run [2021-03-10 18:29:42,723 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-10 18:29:42,735 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-03-10 18:29:42,739 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-03-10 18:29:42,740 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-03-10 18:29:42,745 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-03-10 18:29:42,746 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-03-10 18:29:42,746 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-03-10 18:29:42,747 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-03-10 18:29:42,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 18:29:42,870 INFO L208 MainTranslator]: Completed translation [2021-03-10 18:29:42,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42 WrapperNode [2021-03-10 18:29:42,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 18:29:42,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 18:29:42,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 18:29:42,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 18:29:42,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 18:29:42,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 18:29:42,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 18:29:42,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 18:29:42,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... [2021-03-10 18:29:42,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 18:29:42,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 18:29:42,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 18:29:42,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 18:29:42,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 18:29:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-03-10 18:29:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-03-10 18:29:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-10 18:29:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 18:29:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 18:29:42,997 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 18:29:43,489 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 18:29:43,489 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-03-10 18:29:43,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 06:29:43 BoogieIcfgContainer [2021-03-10 18:29:43,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 18:29:43,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 18:29:43,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 18:29:43,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 18:29:43,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.03 06:29:42" (1/3) ... [2021-03-10 18:29:43,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bb5ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 06:29:43, skipping insertion in model container [2021-03-10 18:29:43,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:29:42" (2/3) ... [2021-03-10 18:29:43,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bb5ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 06:29:43, skipping insertion in model container [2021-03-10 18:29:43,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 06:29:43" (3/3) ... [2021-03-10 18:29:43,499 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2021-03-10 18:29:43,503 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 18:29:43,503 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 18:29:43,506 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-10 18:29:43,506 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 18:29:43,542 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,542 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,542 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,542 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,542 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,543 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,544 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,545 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,546 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,547 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,548 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,549 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,550 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,551 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,552 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,553 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,554 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,555 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,556 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,557 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,558 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,559 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,560 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,561 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,562 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,563 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,564 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,564 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,564 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,564 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,564 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,574 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,575 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,576 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,577 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,578 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,579 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,580 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,581 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,582 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,583 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,584 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,585 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,586 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,587 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,588 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,589 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,590 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,591 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,593 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,594 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,598 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,599 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,600 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:29:43,605 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-10 18:29:43,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-03-10 18:29:43,626 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 18:29:43,627 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 18:29:43,627 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 18:29:43,627 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 18:29:43,627 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 18:29:43,627 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 18:29:43,627 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 18:29:43,627 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 18:29:43,634 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 200 places, 212 transitions, 446 flow [2021-03-10 18:29:50,349 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 88296 states, 88291 states have (on average 3.273912403302715) internal successors, (289057), 88295 states have internal predecessors, (289057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:29:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 88296 states, 88291 states have (on average 3.273912403302715) internal successors, (289057), 88295 states have internal predecessors, (289057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:29:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-03-10 18:29:50,799 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:29:50,800 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:29:50,800 INFO L428 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:29:50,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:29:50,807 INFO L82 PathProgramCache]: Analyzing trace with hash -822649244, now seen corresponding path program 1 times [2021-03-10 18:29:50,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:29:50,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601016205] [2021-03-10 18:29:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:29:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:29:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:29:51,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601016205] [2021-03-10 18:29:51,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:29:51,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-10 18:29:51,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316299103] [2021-03-10 18:29:51,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-10 18:29:51,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:29:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-10 18:29:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-03-10 18:29:51,671 INFO L87 Difference]: Start difference. First operand has 88296 states, 88291 states have (on average 3.273912403302715) internal successors, (289057), 88295 states have internal predecessors, (289057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:29:52,809 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-10 18:29:54,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:29:54,454 INFO L93 Difference]: Finished difference Result 103916 states and 319477 transitions. [2021-03-10 18:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-10 18:29:54,468 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-03-10 18:29:54,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:29:54,765 INFO L225 Difference]: With dead ends: 103916 [2021-03-10 18:29:54,765 INFO L226 Difference]: Without dead ends: 92556 [2021-03-10 18:29:54,767 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1709.3ms TimeCoverageRelationStatistics Valid=434, Invalid=1206, Unknown=0, NotChecked=0, Total=1640 [2021-03-10 18:29:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92556 states. [2021-03-10 18:29:57,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92556 to 88092. [2021-03-10 18:29:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88092 states, 88088 states have (on average 3.080589864680774) internal successors, (271363), 88091 states have internal predecessors, (271363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:29:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88092 states to 88092 states and 271363 transitions. [2021-03-10 18:29:57,728 INFO L78 Accepts]: Start accepts. Automaton has 88092 states and 271363 transitions. Word has length 78 [2021-03-10 18:29:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:29:57,728 INFO L480 AbstractCegarLoop]: Abstraction has 88092 states and 271363 transitions. [2021-03-10 18:29:57,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:29:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 88092 states and 271363 transitions. [2021-03-10 18:29:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-03-10 18:29:57,793 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:29:57,793 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:29:57,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-10 18:29:57,794 INFO L428 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:29:57,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:29:57,796 INFO L82 PathProgramCache]: Analyzing trace with hash 177400324, now seen corresponding path program 1 times [2021-03-10 18:29:57,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:29:57,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630280072] [2021-03-10 18:29:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:29:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:29:58,145 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-03-10 18:29:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:29:58,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630280072] [2021-03-10 18:29:58,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:29:58,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-03-10 18:29:58,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019193159] [2021-03-10 18:29:58,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-10 18:29:58,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:29:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-10 18:29:58,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-03-10 18:29:58,393 INFO L87 Difference]: Start difference. First operand 88092 states and 271363 transitions. Second operand has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:29:59,474 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2021-03-10 18:30:00,242 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-03-10 18:30:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:01,501 INFO L93 Difference]: Finished difference Result 159156 states and 490945 transitions. [2021-03-10 18:30:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-10 18:30:01,501 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-03-10 18:30:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:02,123 INFO L225 Difference]: With dead ends: 159156 [2021-03-10 18:30:02,123 INFO L226 Difference]: Without dead ends: 158421 [2021-03-10 18:30:02,124 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1895.9ms TimeCoverageRelationStatistics Valid=419, Invalid=1141, Unknown=0, NotChecked=0, Total=1560 [2021-03-10 18:30:03,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158421 states. [2021-03-10 18:30:05,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158421 to 109927. [2021-03-10 18:30:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109927 states, 109923 states have (on average 3.0859237830117445) internal successors, (339214), 109926 states have internal predecessors, (339214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109927 states to 109927 states and 339214 transitions. [2021-03-10 18:30:05,938 INFO L78 Accepts]: Start accepts. Automaton has 109927 states and 339214 transitions. Word has length 80 [2021-03-10 18:30:05,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:05,940 INFO L480 AbstractCegarLoop]: Abstraction has 109927 states and 339214 transitions. [2021-03-10 18:30:05,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:05,941 INFO L276 IsEmpty]: Start isEmpty. Operand 109927 states and 339214 transitions. [2021-03-10 18:30:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-03-10 18:30:06,002 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:06,003 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:30:06,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-10 18:30:06,003 INFO L428 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:06,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:06,003 INFO L82 PathProgramCache]: Analyzing trace with hash 491981462, now seen corresponding path program 2 times [2021-03-10 18:30:06,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:06,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923116779] [2021-03-10 18:30:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:06,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923116779] [2021-03-10 18:30:06,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:06,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-03-10 18:30:06,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885741575] [2021-03-10 18:30:06,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-10 18:30:06,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:06,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-10 18:30:06,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-03-10 18:30:06,407 INFO L87 Difference]: Start difference. First operand 109927 states and 339214 transitions. Second operand has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:07,344 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-03-10 18:30:07,531 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 77 [2021-03-10 18:30:07,708 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-03-10 18:30:07,911 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 84 [2021-03-10 18:30:08,117 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2021-03-10 18:30:08,300 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-03-10 18:30:08,533 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 85 [2021-03-10 18:30:09,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:09,671 INFO L93 Difference]: Finished difference Result 145081 states and 446575 transitions. [2021-03-10 18:30:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-10 18:30:09,671 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-03-10 18:30:09,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:09,961 INFO L225 Difference]: With dead ends: 145081 [2021-03-10 18:30:09,961 INFO L226 Difference]: Without dead ends: 144178 [2021-03-10 18:30:09,962 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2043.5ms TimeCoverageRelationStatistics Valid=363, Invalid=969, Unknown=0, NotChecked=0, Total=1332 [2021-03-10 18:30:11,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144178 states. [2021-03-10 18:30:12,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144178 to 122372. [2021-03-10 18:30:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122372 states, 122368 states have (on average 3.0819985617154813) internal successors, (377138), 122371 states have internal predecessors, (377138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122372 states to 122372 states and 377138 transitions. [2021-03-10 18:30:13,408 INFO L78 Accepts]: Start accepts. Automaton has 122372 states and 377138 transitions. Word has length 80 [2021-03-10 18:30:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:13,408 INFO L480 AbstractCegarLoop]: Abstraction has 122372 states and 377138 transitions. [2021-03-10 18:30:13,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 122372 states and 377138 transitions. [2021-03-10 18:30:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:30:13,519 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:13,519 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:30:13,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-10 18:30:13,519 INFO L428 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:13,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1547753978, now seen corresponding path program 1 times [2021-03-10 18:30:13,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:13,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784596068] [2021-03-10 18:30:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:14,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784596068] [2021-03-10 18:30:14,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:14,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:30:14,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691268729] [2021-03-10 18:30:14,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:30:14,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:14,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:30:14,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:30:14,249 INFO L87 Difference]: Start difference. First operand 122372 states and 377138 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:16,089 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-10 18:30:16,369 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:30:16,555 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-03-10 18:30:16,875 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:30:17,091 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-03-10 18:30:17,287 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2021-03-10 18:30:17,485 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:30:17,664 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:30:17,874 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:30:18,083 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-03-10 18:30:18,272 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-03-10 18:30:18,525 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:30:18,764 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-03-10 18:30:18,967 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:30:19,204 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-03-10 18:30:19,459 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-03-10 18:30:19,766 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 89 [2021-03-10 18:30:20,000 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-03-10 18:30:20,399 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-03-10 18:30:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:22,481 INFO L93 Difference]: Finished difference Result 174748 states and 538332 transitions. [2021-03-10 18:30:22,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-10 18:30:22,481 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:30:22,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:22,813 INFO L225 Difference]: With dead ends: 174748 [2021-03-10 18:30:22,814 INFO L226 Difference]: Without dead ends: 174748 [2021-03-10 18:30:22,815 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 5578.7ms TimeCoverageRelationStatistics Valid=1280, Invalid=3690, Unknown=0, NotChecked=0, Total=4970 [2021-03-10 18:30:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174748 states. [2021-03-10 18:30:25,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174748 to 124982. [2021-03-10 18:30:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124982 states, 124978 states have (on average 3.0821584598889404) internal successors, (385202), 124981 states have internal predecessors, (385202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124982 states to 124982 states and 385202 transitions. [2021-03-10 18:30:26,396 INFO L78 Accepts]: Start accepts. Automaton has 124982 states and 385202 transitions. Word has length 98 [2021-03-10 18:30:26,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:26,397 INFO L480 AbstractCegarLoop]: Abstraction has 124982 states and 385202 transitions. [2021-03-10 18:30:26,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 124982 states and 385202 transitions. [2021-03-10 18:30:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:30:26,953 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:26,953 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:30:26,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-10 18:30:26,955 INFO L428 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:26,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:26,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1878045522, now seen corresponding path program 2 times [2021-03-10 18:30:26,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:26,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814568927] [2021-03-10 18:30:26,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:27,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814568927] [2021-03-10 18:30:27,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:27,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:30:27,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072816250] [2021-03-10 18:30:27,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:30:27,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:27,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:30:27,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:30:27,692 INFO L87 Difference]: Start difference. First operand 124982 states and 385202 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:29,301 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:30:29,567 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-03-10 18:30:29,750 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-03-10 18:30:29,949 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-03-10 18:30:30,159 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-03-10 18:30:30,354 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-03-10 18:30:30,568 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2021-03-10 18:30:30,754 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:30:30,937 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:30:31,173 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:30:31,377 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-03-10 18:30:31,611 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-03-10 18:30:31,827 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-03-10 18:30:32,055 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:30:32,280 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-03-10 18:30:32,488 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:30:32,751 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:30:32,966 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:30:33,244 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:30:33,443 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-03-10 18:30:33,660 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:30:33,929 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:30:34,202 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:30:34,415 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:30:34,720 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:30:34,935 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:30:35,225 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-03-10 18:30:35,574 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 90 [2021-03-10 18:30:37,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:37,728 INFO L93 Difference]: Finished difference Result 154728 states and 476600 transitions. [2021-03-10 18:30:37,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-10 18:30:37,728 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:30:37,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:37,999 INFO L225 Difference]: With dead ends: 154728 [2021-03-10 18:30:37,999 INFO L226 Difference]: Without dead ends: 154728 [2021-03-10 18:30:38,000 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 7249.0ms TimeCoverageRelationStatistics Valid=1647, Invalid=4673, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:30:39,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154728 states. [2021-03-10 18:30:41,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154728 to 125301. [2021-03-10 18:30:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125301 states, 125297 states have (on average 3.0822685299727848) internal successors, (386199), 125300 states have internal predecessors, (386199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125301 states to 125301 states and 386199 transitions. [2021-03-10 18:30:41,484 INFO L78 Accepts]: Start accepts. Automaton has 125301 states and 386199 transitions. Word has length 98 [2021-03-10 18:30:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:41,484 INFO L480 AbstractCegarLoop]: Abstraction has 125301 states and 386199 transitions. [2021-03-10 18:30:41,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 125301 states and 386199 transitions. [2021-03-10 18:30:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:30:41,587 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:41,587 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:30:41,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-10 18:30:41,587 INFO L428 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:41,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:41,588 INFO L82 PathProgramCache]: Analyzing trace with hash -193594106, now seen corresponding path program 3 times [2021-03-10 18:30:41,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:41,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068919112] [2021-03-10 18:30:41,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:42,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068919112] [2021-03-10 18:30:42,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:42,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:30:42,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419495435] [2021-03-10 18:30:42,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:30:42,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:42,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:30:42,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:30:42,286 INFO L87 Difference]: Start difference. First operand 125301 states and 386199 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:42,871 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2021-03-10 18:30:43,981 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:30:44,254 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-03-10 18:30:44,435 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-03-10 18:30:44,631 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-03-10 18:30:44,963 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-03-10 18:30:45,174 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-03-10 18:30:45,378 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2021-03-10 18:30:45,575 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:30:45,770 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:30:45,984 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:30:46,201 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-03-10 18:30:46,432 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-03-10 18:30:46,644 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:30:46,850 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:30:47,072 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-03-10 18:30:47,278 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:30:47,511 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:30:47,711 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:30:47,940 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:30:48,138 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-03-10 18:30:48,346 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-03-10 18:30:48,610 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:30:48,878 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:30:49,086 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:30:49,343 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-03-10 18:30:49,590 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:30:49,799 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:30:50,047 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:30:50,397 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-03-10 18:30:50,820 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:30:51,543 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-03-10 18:30:52,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:52,902 INFO L93 Difference]: Finished difference Result 154322 states and 475339 transitions. [2021-03-10 18:30:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-03-10 18:30:52,903 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:30:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:53,174 INFO L225 Difference]: With dead ends: 154322 [2021-03-10 18:30:53,174 INFO L226 Difference]: Without dead ends: 154322 [2021-03-10 18:30:53,175 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 8228.5ms TimeCoverageRelationStatistics Valid=1797, Invalid=5009, Unknown=0, NotChecked=0, Total=6806 [2021-03-10 18:30:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154322 states. [2021-03-10 18:30:56,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154322 to 125330. [2021-03-10 18:30:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125330 states, 125326 states have (on average 3.0822574725116896) internal successors, (386287), 125329 states have internal predecessors, (386287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125330 states to 125330 states and 386287 transitions. [2021-03-10 18:30:56,429 INFO L78 Accepts]: Start accepts. Automaton has 125330 states and 386287 transitions. Word has length 98 [2021-03-10 18:30:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:56,429 INFO L480 AbstractCegarLoop]: Abstraction has 125330 states and 386287 transitions. [2021-03-10 18:30:56,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 125330 states and 386287 transitions. [2021-03-10 18:30:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:30:56,528 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:56,529 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:30:56,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-10 18:30:56,529 INFO L428 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:56,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:56,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1282608742, now seen corresponding path program 4 times [2021-03-10 18:30:56,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:56,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113700330] [2021-03-10 18:30:56,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:57,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113700330] [2021-03-10 18:30:57,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:57,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:30:57,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908167826] [2021-03-10 18:30:57,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:30:57,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:57,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:30:57,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=737, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:30:57,661 INFO L87 Difference]: Start difference. First operand 125330 states and 386287 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:59,182 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:30:59,469 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-03-10 18:30:59,810 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:31:00,038 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:31:00,291 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:31:00,508 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:31:00,710 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-03-10 18:31:00,924 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2021-03-10 18:31:01,126 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-10 18:31:01,331 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:31:01,523 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-03-10 18:31:01,749 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-03-10 18:31:01,967 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-03-10 18:31:02,181 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-03-10 18:31:02,392 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:31:02,588 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-03-10 18:31:02,836 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2021-03-10 18:31:03,046 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-03-10 18:31:03,278 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-03-10 18:31:03,484 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-03-10 18:31:03,702 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:31:03,985 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-03-10 18:31:04,283 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-03-10 18:31:04,493 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-03-10 18:31:04,764 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:31:05,016 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:31:05,259 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:31:05,560 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:31:05,888 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2021-03-10 18:31:06,243 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2021-03-10 18:31:06,727 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-03-10 18:31:08,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:08,116 INFO L93 Difference]: Finished difference Result 153423 states and 472524 transitions. [2021-03-10 18:31:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-10 18:31:08,117 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:31:08,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:08,576 INFO L225 Difference]: With dead ends: 153423 [2021-03-10 18:31:08,576 INFO L226 Difference]: Without dead ends: 153423 [2021-03-10 18:31:08,578 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 8007.8ms TimeCoverageRelationStatistics Valid=1635, Invalid=3915, Unknown=0, NotChecked=0, Total=5550 [2021-03-10 18:31:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153423 states. [2021-03-10 18:31:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153423 to 131304. [2021-03-10 18:31:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131304 states, 131300 states have (on average 3.084044173648134) internal successors, (404935), 131303 states have internal predecessors, (404935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131304 states to 131304 states and 404935 transitions. [2021-03-10 18:31:11,613 INFO L78 Accepts]: Start accepts. Automaton has 131304 states and 404935 transitions. Word has length 98 [2021-03-10 18:31:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:11,613 INFO L480 AbstractCegarLoop]: Abstraction has 131304 states and 404935 transitions. [2021-03-10 18:31:11,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 131304 states and 404935 transitions. [2021-03-10 18:31:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:31:11,721 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:11,721 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:31:11,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-10 18:31:11,722 INFO L428 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:11,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1916187942, now seen corresponding path program 5 times [2021-03-10 18:31:11,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:11,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645492274] [2021-03-10 18:31:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:12,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645492274] [2021-03-10 18:31:12,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:12,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:31:12,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801043887] [2021-03-10 18:31:12,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:31:12,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:12,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:31:12,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:31:12,750 INFO L87 Difference]: Start difference. First operand 131304 states and 404935 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:14,218 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:31:14,552 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:31:14,985 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-03-10 18:31:15,222 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:31:15,502 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:31:15,732 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:31:15,966 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:31:16,216 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-03-10 18:31:16,442 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:31:16,649 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:31:16,872 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:31:17,152 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:31:17,366 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:31:17,591 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:31:17,785 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 73 [2021-03-10 18:31:17,997 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 89 [2021-03-10 18:31:18,342 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 92 [2021-03-10 18:31:18,715 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:31:19,073 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:31:19,628 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:31:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:20,963 INFO L93 Difference]: Finished difference Result 162411 states and 500800 transitions. [2021-03-10 18:31:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-10 18:31:20,964 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:31:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:21,268 INFO L225 Difference]: With dead ends: 162411 [2021-03-10 18:31:21,268 INFO L226 Difference]: Without dead ends: 162411 [2021-03-10 18:31:21,269 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 6226.8ms TimeCoverageRelationStatistics Valid=1275, Invalid=3837, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:31:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162411 states. [2021-03-10 18:31:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162411 to 135161. [2021-03-10 18:31:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135161 states, 135157 states have (on average 3.0858483097434837) internal successors, (417074), 135160 states have internal predecessors, (417074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135161 states to 135161 states and 417074 transitions. [2021-03-10 18:31:24,761 INFO L78 Accepts]: Start accepts. Automaton has 135161 states and 417074 transitions. Word has length 98 [2021-03-10 18:31:24,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:24,761 INFO L480 AbstractCegarLoop]: Abstraction has 135161 states and 417074 transitions. [2021-03-10 18:31:24,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 135161 states and 417074 transitions. [2021-03-10 18:31:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:31:24,879 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:24,879 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:31:24,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-10 18:31:24,879 INFO L428 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash -155451686, now seen corresponding path program 6 times [2021-03-10 18:31:24,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:24,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113337521] [2021-03-10 18:31:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:25,383 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-03-10 18:31:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:25,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113337521] [2021-03-10 18:31:25,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:25,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:31:25,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670728357] [2021-03-10 18:31:25,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:31:25,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:25,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:31:25,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:31:25,969 INFO L87 Difference]: Start difference. First operand 135161 states and 417074 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:27,522 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:31:28,077 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:31:28,330 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:31:28,556 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:31:28,765 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-03-10 18:31:29,001 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:31:29,226 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:31:29,434 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:31:29,668 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:31:29,891 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:31:30,142 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:31:30,370 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-03-10 18:31:30,629 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-03-10 18:31:30,889 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:31:31,112 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:31:31,342 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-03-10 18:31:31,584 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:31:31,829 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:31:32,063 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:31:32,404 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-03-10 18:31:32,852 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-03-10 18:31:33,526 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-03-10 18:31:34,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:34,965 INFO L93 Difference]: Finished difference Result 163049 states and 502591 transitions. [2021-03-10 18:31:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:31:34,966 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:31:34,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:35,236 INFO L225 Difference]: With dead ends: 163049 [2021-03-10 18:31:35,237 INFO L226 Difference]: Without dead ends: 163049 [2021-03-10 18:31:35,238 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 6868.8ms TimeCoverageRelationStatistics Valid=1363, Invalid=4039, Unknown=0, NotChecked=0, Total=5402 [2021-03-10 18:31:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163049 states. [2021-03-10 18:31:38,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163049 to 136118. [2021-03-10 18:31:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136118 states, 136114 states have (on average 3.0854871651703717) internal successors, (419978), 136117 states have internal predecessors, (419978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136118 states to 136118 states and 419978 transitions. [2021-03-10 18:31:38,908 INFO L78 Accepts]: Start accepts. Automaton has 136118 states and 419978 transitions. Word has length 98 [2021-03-10 18:31:38,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:38,908 INFO L480 AbstractCegarLoop]: Abstraction has 136118 states and 419978 transitions. [2021-03-10 18:31:38,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 136118 states and 419978 transitions. [2021-03-10 18:31:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:31:39,030 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:39,030 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:31:39,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-10 18:31:39,030 INFO L428 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:39,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1320751162, now seen corresponding path program 7 times [2021-03-10 18:31:39,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:39,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210616952] [2021-03-10 18:31:39,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:39,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210616952] [2021-03-10 18:31:39,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:39,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:31:39,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598065570] [2021-03-10 18:31:39,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:31:39,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:39,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:31:39,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=741, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:31:39,873 INFO L87 Difference]: Start difference. First operand 136118 states and 419978 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:41,111 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 57 [2021-03-10 18:31:41,695 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2021-03-10 18:31:41,979 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2021-03-10 18:31:42,171 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-03-10 18:31:42,358 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2021-03-10 18:31:42,527 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-03-10 18:31:42,748 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-03-10 18:31:42,964 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-03-10 18:31:43,130 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-03-10 18:31:43,317 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 69 [2021-03-10 18:31:43,601 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:31:43,791 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-03-10 18:31:43,970 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-03-10 18:31:44,177 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-03-10 18:31:44,384 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:31:44,623 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-03-10 18:31:44,844 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-03-10 18:31:45,069 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:31:45,301 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 86 [2021-03-10 18:31:45,506 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:31:45,797 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2021-03-10 18:31:46,020 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-03-10 18:31:46,266 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:31:46,486 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:31:46,718 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:31:47,017 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 94 [2021-03-10 18:31:47,316 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:31:47,537 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-03-10 18:31:47,824 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-03-10 18:31:48,111 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 91 [2021-03-10 18:31:48,364 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 94 [2021-03-10 18:31:48,672 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:31:49,026 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 101 [2021-03-10 18:31:49,338 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-03-10 18:31:49,790 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2021-03-10 18:31:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:51,393 INFO L93 Difference]: Finished difference Result 161116 states and 496412 transitions. [2021-03-10 18:31:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-10 18:31:51,393 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:31:51,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:51,679 INFO L225 Difference]: With dead ends: 161116 [2021-03-10 18:31:51,679 INFO L226 Difference]: Without dead ends: 161116 [2021-03-10 18:31:51,680 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 8757.4ms TimeCoverageRelationStatistics Valid=1754, Invalid=4252, Unknown=0, NotChecked=0, Total=6006 [2021-03-10 18:31:52,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161116 states. [2021-03-10 18:31:54,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161116 to 139000. [2021-03-10 18:31:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139000 states, 138996 states have (on average 3.0851247517914184) internal successors, (428820), 138999 states have internal predecessors, (428820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139000 states to 139000 states and 428820 transitions. [2021-03-10 18:31:55,306 INFO L78 Accepts]: Start accepts. Automaton has 139000 states and 428820 transitions. Word has length 98 [2021-03-10 18:31:55,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:55,306 INFO L480 AbstractCegarLoop]: Abstraction has 139000 states and 428820 transitions. [2021-03-10 18:31:55,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 139000 states and 428820 transitions. [2021-03-10 18:31:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:31:55,426 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:55,426 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:31:55,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-10 18:31:55,426 INFO L428 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:55,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:55,427 INFO L82 PathProgramCache]: Analyzing trace with hash 501894278, now seen corresponding path program 8 times [2021-03-10 18:31:55,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:55,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609403382] [2021-03-10 18:31:55,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:56,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609403382] [2021-03-10 18:31:56,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:56,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:31:56,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061477006] [2021-03-10 18:31:56,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:31:56,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:56,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:31:56,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:31:56,006 INFO L87 Difference]: Start difference. First operand 139000 states and 428820 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:57,801 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:31:58,131 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:31:58,373 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:31:58,589 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:31:59,012 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:31:59,273 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:31:59,495 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:31:59,799 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:32:00,174 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-03-10 18:32:00,554 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:32:01,042 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:32:02,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:02,361 INFO L93 Difference]: Finished difference Result 162364 states and 500261 transitions. [2021-03-10 18:32:02,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-10 18:32:02,362 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:32:02,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:02,654 INFO L225 Difference]: With dead ends: 162364 [2021-03-10 18:32:02,655 INFO L226 Difference]: Without dead ends: 162364 [2021-03-10 18:32:02,656 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 4311.9ms TimeCoverageRelationStatistics Valid=872, Invalid=3034, Unknown=0, NotChecked=0, Total=3906 [2021-03-10 18:32:03,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162364 states. [2021-03-10 18:32:05,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162364 to 139464. [2021-03-10 18:32:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139464 states, 139460 states have (on average 3.084956259859458) internal successors, (430228), 139463 states have internal predecessors, (430228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139464 states to 139464 states and 430228 transitions. [2021-03-10 18:32:06,330 INFO L78 Accepts]: Start accepts. Automaton has 139464 states and 430228 transitions. Word has length 98 [2021-03-10 18:32:06,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:06,331 INFO L480 AbstractCegarLoop]: Abstraction has 139464 states and 430228 transitions. [2021-03-10 18:32:06,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 139464 states and 430228 transitions. [2021-03-10 18:32:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:32:06,454 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:06,454 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:32:06,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-10 18:32:06,454 INFO L428 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:06,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:06,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1978097126, now seen corresponding path program 9 times [2021-03-10 18:32:06,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:06,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572619647] [2021-03-10 18:32:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:07,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572619647] [2021-03-10 18:32:07,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:07,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:32:07,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457977178] [2021-03-10 18:32:07,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:32:07,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:32:07,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:32:07,229 INFO L87 Difference]: Start difference. First operand 139464 states and 430228 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:08,041 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-03-10 18:32:09,052 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:32:09,319 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:32:09,509 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:32:09,694 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-03-10 18:32:09,866 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:32:10,085 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-03-10 18:32:10,459 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2021-03-10 18:32:10,652 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-03-10 18:32:10,881 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:32:11,119 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 72 [2021-03-10 18:32:11,352 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-03-10 18:32:11,560 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:32:11,794 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2021-03-10 18:32:11,995 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2021-03-10 18:32:12,234 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:32:12,445 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-03-10 18:32:12,670 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 71 [2021-03-10 18:32:12,896 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-03-10 18:32:13,119 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 77 [2021-03-10 18:32:13,382 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 83 [2021-03-10 18:32:13,602 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 81 [2021-03-10 18:32:13,844 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:32:14,057 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2021-03-10 18:32:14,291 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:32:14,493 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:32:14,774 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-03-10 18:32:15,076 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2021-03-10 18:32:15,322 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-03-10 18:32:15,600 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 83 [2021-03-10 18:32:15,895 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-10 18:32:16,136 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-03-10 18:32:16,438 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:32:16,774 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 94 [2021-03-10 18:32:17,075 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 86 [2021-03-10 18:32:17,510 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 91 [2021-03-10 18:32:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:19,044 INFO L93 Difference]: Finished difference Result 162577 states and 500884 transitions. [2021-03-10 18:32:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-03-10 18:32:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:32:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:19,342 INFO L225 Difference]: With dead ends: 162577 [2021-03-10 18:32:19,343 INFO L226 Difference]: Without dead ends: 162577 [2021-03-10 18:32:19,344 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 9194.1ms TimeCoverageRelationStatistics Valid=1796, Invalid=4366, Unknown=0, NotChecked=0, Total=6162 [2021-03-10 18:32:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162577 states. [2021-03-10 18:32:22,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162577 to 138391. [2021-03-10 18:32:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138391 states, 138387 states have (on average 3.084928497618996) internal successors, (426914), 138390 states have internal predecessors, (426914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138391 states to 138391 states and 426914 transitions. [2021-03-10 18:32:23,056 INFO L78 Accepts]: Start accepts. Automaton has 138391 states and 426914 transitions. Word has length 98 [2021-03-10 18:32:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:23,056 INFO L480 AbstractCegarLoop]: Abstraction has 138391 states and 426914 transitions. [2021-03-10 18:32:23,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 138391 states and 426914 transitions. [2021-03-10 18:32:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:32:23,178 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:23,178 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:32:23,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-10 18:32:23,179 INFO L428 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:23,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:23,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1371685420, now seen corresponding path program 10 times [2021-03-10 18:32:23,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:23,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550299851] [2021-03-10 18:32:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:23,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550299851] [2021-03-10 18:32:23,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:23,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:32:23,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838440146] [2021-03-10 18:32:23,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:32:23,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:23,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:32:23,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:32:23,787 INFO L87 Difference]: Start difference. First operand 138391 states and 426914 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:24,625 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-03-10 18:32:25,368 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:32:26,008 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:32:26,259 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:32:26,485 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:32:26,762 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:32:27,151 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-03-10 18:32:27,376 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:32:27,623 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-03-10 18:32:27,846 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:32:28,054 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:32:28,269 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:32:28,506 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:32:28,711 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:32:28,935 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:32:29,137 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-03-10 18:32:29,341 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:32:29,692 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 88 [2021-03-10 18:32:30,066 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-03-10 18:32:30,417 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-03-10 18:32:30,930 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:32:32,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:32,388 INFO L93 Difference]: Finished difference Result 184261 states and 569347 transitions. [2021-03-10 18:32:32,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-10 18:32:32,388 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:32:32,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:32,683 INFO L225 Difference]: With dead ends: 184261 [2021-03-10 18:32:32,683 INFO L226 Difference]: Without dead ends: 184261 [2021-03-10 18:32:32,684 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 6253.9ms TimeCoverageRelationStatistics Valid=1276, Invalid=3836, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:32:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184261 states. [2021-03-10 18:32:35,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184261 to 142248. [2021-03-10 18:32:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142248 states, 142244 states have (on average 3.086618767751188) internal successors, (439053), 142247 states have internal predecessors, (439053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142248 states to 142248 states and 439053 transitions. [2021-03-10 18:32:36,367 INFO L78 Accepts]: Start accepts. Automaton has 142248 states and 439053 transitions. Word has length 98 [2021-03-10 18:32:36,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:36,368 INFO L480 AbstractCegarLoop]: Abstraction has 142248 states and 439053 transitions. [2021-03-10 18:32:36,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 142248 states and 439053 transitions. [2021-03-10 18:32:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:32:36,484 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:36,484 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:32:36,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-10 18:32:36,484 INFO L428 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:36,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:36,485 INFO L82 PathProgramCache]: Analyzing trace with hash -699954208, now seen corresponding path program 11 times [2021-03-10 18:32:36,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:36,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654175335] [2021-03-10 18:32:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:37,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654175335] [2021-03-10 18:32:37,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:37,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:32:37,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735169084] [2021-03-10 18:32:37,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:32:37,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:37,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:32:37,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:32:37,068 INFO L87 Difference]: Start difference. First operand 142248 states and 439053 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:38,200 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2021-03-10 18:32:38,593 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:32:39,269 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:32:39,530 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:32:39,761 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:32:39,982 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-03-10 18:32:40,211 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:32:40,427 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:32:40,763 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:32:40,996 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:32:41,217 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:32:41,455 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:32:41,664 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-03-10 18:32:41,924 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-03-10 18:32:42,182 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:32:42,404 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:32:42,627 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-03-10 18:32:42,860 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:32:43,120 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:32:43,354 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-03-10 18:32:43,694 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-03-10 18:32:44,121 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-03-10 18:32:44,802 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-03-10 18:32:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:46,286 INFO L93 Difference]: Finished difference Result 184667 states and 570173 transitions. [2021-03-10 18:32:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:32:46,287 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:32:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:46,583 INFO L225 Difference]: With dead ends: 184667 [2021-03-10 18:32:46,584 INFO L226 Difference]: Without dead ends: 184667 [2021-03-10 18:32:46,584 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 6452.9ms TimeCoverageRelationStatistics Valid=1363, Invalid=4039, Unknown=0, NotChecked=0, Total=5402 [2021-03-10 18:32:47,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184667 states. [2021-03-10 18:32:49,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184667 to 143205. [2021-03-10 18:32:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143205 states, 143201 states have (on average 3.086270347274111) internal successors, (441957), 143204 states have internal predecessors, (441957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143205 states to 143205 states and 441957 transitions. [2021-03-10 18:32:50,281 INFO L78 Accepts]: Start accepts. Automaton has 143205 states and 441957 transitions. Word has length 98 [2021-03-10 18:32:50,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:50,281 INFO L480 AbstractCegarLoop]: Abstraction has 143205 states and 441957 transitions. [2021-03-10 18:32:50,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 143205 states and 441957 transitions. [2021-03-10 18:32:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:32:50,399 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:50,399 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:32:50,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-10 18:32:50,400 INFO L428 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:50,400 INFO L82 PathProgramCache]: Analyzing trace with hash 776248640, now seen corresponding path program 12 times [2021-03-10 18:32:50,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:50,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394652494] [2021-03-10 18:32:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:51,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394652494] [2021-03-10 18:32:51,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:51,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:32:51,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510511497] [2021-03-10 18:32:51,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:32:51,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:51,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:32:51,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:32:51,033 INFO L87 Difference]: Start difference. First operand 143205 states and 441957 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:52,578 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:32:53,261 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-03-10 18:32:53,512 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:32:53,711 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:32:53,908 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:32:54,087 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-03-10 18:32:54,467 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2021-03-10 18:32:54,658 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:32:54,894 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 78 [2021-03-10 18:32:55,093 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-03-10 18:32:55,310 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:32:55,533 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 80 [2021-03-10 18:32:55,720 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-03-10 18:32:55,958 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-03-10 18:32:56,192 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 83 [2021-03-10 18:32:56,439 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 85 [2021-03-10 18:32:56,655 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 77 [2021-03-10 18:32:56,897 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-03-10 18:32:57,171 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 88 [2021-03-10 18:32:57,437 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:32:57,666 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-03-10 18:32:57,924 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 89 [2021-03-10 18:32:58,200 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-03-10 18:32:58,443 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:32:58,725 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 95 [2021-03-10 18:32:59,046 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 98 [2021-03-10 18:32:59,409 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 92 [2021-03-10 18:32:59,887 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 97 [2021-03-10 18:33:01,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:01,196 INFO L93 Difference]: Finished difference Result 179806 states and 554968 transitions. [2021-03-10 18:33:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-10 18:33:01,197 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:33:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:01,673 INFO L225 Difference]: With dead ends: 179806 [2021-03-10 18:33:01,674 INFO L226 Difference]: Without dead ends: 179806 [2021-03-10 18:33:01,674 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 7674.8ms TimeCoverageRelationStatistics Valid=1477, Invalid=3635, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:33:02,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179806 states. [2021-03-10 18:33:04,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179806 to 148309. [2021-03-10 18:33:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148309 states, 148305 states have (on average 3.0874211928121102) internal successors, (457880), 148308 states have internal predecessors, (457880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148309 states to 148309 states and 457880 transitions. [2021-03-10 18:33:04,908 INFO L78 Accepts]: Start accepts. Automaton has 148309 states and 457880 transitions. Word has length 98 [2021-03-10 18:33:04,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:04,909 INFO L480 AbstractCegarLoop]: Abstraction has 148309 states and 457880 transitions. [2021-03-10 18:33:04,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 148309 states and 457880 transitions. [2021-03-10 18:33:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:33:05,512 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:05,512 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:33:05,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-10 18:33:05,512 INFO L428 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:05,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:05,513 INFO L82 PathProgramCache]: Analyzing trace with hash -42608244, now seen corresponding path program 13 times [2021-03-10 18:33:05,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:05,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772078264] [2021-03-10 18:33:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:06,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772078264] [2021-03-10 18:33:06,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:06,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:33:06,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937551390] [2021-03-10 18:33:06,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:33:06,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:06,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:33:06,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:33:06,180 INFO L87 Difference]: Start difference. First operand 148309 states and 457880 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:07,347 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:33:07,975 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:33:08,475 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:33:08,699 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:33:08,995 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:33:09,257 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:33:09,481 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:33:09,799 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:33:10,174 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-03-10 18:33:10,550 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:33:11,066 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:33:12,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:12,291 INFO L93 Difference]: Finished difference Result 178287 states and 550117 transitions. [2021-03-10 18:33:12,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-10 18:33:12,292 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:33:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:12,566 INFO L225 Difference]: With dead ends: 178287 [2021-03-10 18:33:12,566 INFO L226 Difference]: Without dead ends: 178287 [2021-03-10 18:33:12,567 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 4237.2ms TimeCoverageRelationStatistics Valid=872, Invalid=3034, Unknown=0, NotChecked=0, Total=3906 [2021-03-10 18:33:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178287 states. [2021-03-10 18:33:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178287 to 148773. [2021-03-10 18:33:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148773 states, 148769 states have (on average 3.0872560815761347) internal successors, (459288), 148772 states have internal predecessors, (459288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148773 states to 148773 states and 459288 transitions. [2021-03-10 18:33:16,151 INFO L78 Accepts]: Start accepts. Automaton has 148773 states and 459288 transitions. Word has length 98 [2021-03-10 18:33:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:16,152 INFO L480 AbstractCegarLoop]: Abstraction has 148773 states and 459288 transitions. [2021-03-10 18:33:16,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 148773 states and 459288 transitions. [2021-03-10 18:33:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:33:16,281 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:16,282 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:33:16,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-10 18:33:16,282 INFO L428 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:16,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:16,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1433594604, now seen corresponding path program 14 times [2021-03-10 18:33:16,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:16,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626977767] [2021-03-10 18:33:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:17,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626977767] [2021-03-10 18:33:17,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:17,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:33:17,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989938173] [2021-03-10 18:33:17,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:33:17,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:17,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:33:17,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:33:17,318 INFO L87 Difference]: Start difference. First operand 148773 states and 459288 transitions. Second operand has 28 states, 28 states have (on average 3.5) internal successors, (98), 28 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:18,478 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:33:19,120 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-03-10 18:33:19,372 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:33:19,749 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:33:19,956 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:33:20,133 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-03-10 18:33:20,351 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 74 [2021-03-10 18:33:20,541 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:33:20,773 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 78 [2021-03-10 18:33:20,977 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:33:21,198 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-03-10 18:33:21,419 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-03-10 18:33:21,604 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-03-10 18:33:21,846 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-03-10 18:33:22,079 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:33:22,350 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:33:22,547 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:33:22,755 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 77 [2021-03-10 18:33:22,955 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-03-10 18:33:23,230 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2021-03-10 18:33:23,516 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:33:23,750 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-03-10 18:33:23,999 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 87 [2021-03-10 18:33:24,270 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 91 [2021-03-10 18:33:24,516 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 87 [2021-03-10 18:33:24,828 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-03-10 18:33:25,143 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 98 [2021-03-10 18:33:25,437 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 90 [2021-03-10 18:33:25,854 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 95 [2021-03-10 18:33:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:27,463 INFO L93 Difference]: Finished difference Result 180308 states and 556426 transitions. [2021-03-10 18:33:27,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-10 18:33:27,464 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.5) internal successors, (98), 28 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:33:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:27,736 INFO L225 Difference]: With dead ends: 180308 [2021-03-10 18:33:27,736 INFO L226 Difference]: Without dead ends: 180308 [2021-03-10 18:33:27,736 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 7865.6ms TimeCoverageRelationStatistics Valid=1495, Invalid=3617, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:33:29,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180308 states. [2021-03-10 18:33:30,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180308 to 143176. [2021-03-10 18:33:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143176 states, 143172 states have (on average 3.0862808370351744) internal successors, (441869), 143175 states have internal predecessors, (441869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143176 states to 143176 states and 441869 transitions. [2021-03-10 18:33:31,550 INFO L78 Accepts]: Start accepts. Automaton has 143176 states and 441869 transitions. Word has length 98 [2021-03-10 18:33:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:31,550 INFO L480 AbstractCegarLoop]: Abstraction has 143176 states and 441869 transitions. [2021-03-10 18:33:31,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.5) internal successors, (98), 28 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 143176 states and 441869 transitions. [2021-03-10 18:33:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:33:31,675 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:31,675 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:33:31,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-10 18:33:31,675 INFO L428 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:31,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:31,676 INFO L82 PathProgramCache]: Analyzing trace with hash 27224010, now seen corresponding path program 15 times [2021-03-10 18:33:31,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:31,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175628957] [2021-03-10 18:33:31,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:32,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175628957] [2021-03-10 18:33:32,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:32,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:33:32,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714721194] [2021-03-10 18:33:32,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:33:32,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:32,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:33:32,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:33:32,295 INFO L87 Difference]: Start difference. First operand 143176 states and 441869 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:33,894 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:33:34,128 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:33:35,003 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:33:35,243 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:33:35,544 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-03-10 18:33:35,781 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:33:36,021 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:33:36,291 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:33:36,617 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:33:36,832 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:33:37,045 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:33:37,285 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:33:37,494 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:33:37,724 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-03-10 18:33:37,923 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-03-10 18:33:38,130 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:33:38,468 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 88 [2021-03-10 18:33:38,868 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-03-10 18:33:39,226 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:33:39,757 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:33:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:41,381 INFO L93 Difference]: Finished difference Result 193425 states and 598837 transitions. [2021-03-10 18:33:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-10 18:33:41,382 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:33:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:41,679 INFO L225 Difference]: With dead ends: 193425 [2021-03-10 18:33:41,680 INFO L226 Difference]: Without dead ends: 193425 [2021-03-10 18:33:41,680 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 6140.5ms TimeCoverageRelationStatistics Valid=1276, Invalid=3836, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:33:42,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193425 states. [2021-03-10 18:33:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193425 to 147410. [2021-03-10 18:33:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147410 states, 147406 states have (on average 3.090301615945077) internal successors, (455529), 147409 states have internal predecessors, (455529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147410 states to 147410 states and 455529 transitions. [2021-03-10 18:33:45,553 INFO L78 Accepts]: Start accepts. Automaton has 147410 states and 455529 transitions. Word has length 98 [2021-03-10 18:33:45,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:45,553 INFO L480 AbstractCegarLoop]: Abstraction has 147410 states and 455529 transitions. [2021-03-10 18:33:45,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 147410 states and 455529 transitions. [2021-03-10 18:33:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:33:45,680 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:45,680 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:33:45,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-10 18:33:45,680 INFO L428 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:45,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:45,680 INFO L82 PathProgramCache]: Analyzing trace with hash -2044415618, now seen corresponding path program 16 times [2021-03-10 18:33:45,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:45,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753865567] [2021-03-10 18:33:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:46,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753865567] [2021-03-10 18:33:46,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:46,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:33:46,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333238237] [2021-03-10 18:33:46,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:33:46,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:33:46,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:33:46,330 INFO L87 Difference]: Start difference. First operand 147410 states and 455529 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:47,570 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:33:47,789 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:33:48,848 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:33:49,085 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:33:49,311 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-03-10 18:33:49,541 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:33:49,766 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-03-10 18:33:49,978 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:33:50,213 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:33:50,436 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:33:50,681 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-03-10 18:33:50,952 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-03-10 18:33:51,228 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 89 [2021-03-10 18:33:51,489 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:33:51,712 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:33:51,939 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-03-10 18:33:52,174 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:33:52,418 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-03-10 18:33:52,650 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-03-10 18:33:52,986 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-03-10 18:33:53,464 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-03-10 18:33:54,147 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-03-10 18:33:55,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:55,695 INFO L93 Difference]: Finished difference Result 185624 states and 573918 transitions. [2021-03-10 18:33:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:33:55,695 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:33:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:55,969 INFO L225 Difference]: With dead ends: 185624 [2021-03-10 18:33:55,969 INFO L226 Difference]: Without dead ends: 185624 [2021-03-10 18:33:55,970 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 6346.3ms TimeCoverageRelationStatistics Valid=1363, Invalid=4039, Unknown=0, NotChecked=0, Total=5402 [2021-03-10 18:33:56,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185624 states. [2021-03-10 18:33:58,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185624 to 144626. [2021-03-10 18:33:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144626 states, 144622 states have (on average 3.086764116109582) internal successors, (446414), 144625 states have internal predecessors, (446414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144626 states to 144626 states and 446414 transitions. [2021-03-10 18:33:59,266 INFO L78 Accepts]: Start accepts. Automaton has 144626 states and 446414 transitions. Word has length 98 [2021-03-10 18:33:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:59,266 INFO L480 AbstractCegarLoop]: Abstraction has 144626 states and 446414 transitions. [2021-03-10 18:33:59,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 144626 states and 446414 transitions. [2021-03-10 18:33:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:33:59,881 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:59,881 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:33:59,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-10 18:33:59,881 INFO L428 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:59,881 INFO L82 PathProgramCache]: Analyzing trace with hash -568212770, now seen corresponding path program 17 times [2021-03-10 18:33:59,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:59,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750249464] [2021-03-10 18:33:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:00,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750249464] [2021-03-10 18:34:00,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:00,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:34:00,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039066987] [2021-03-10 18:34:00,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:34:00,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:00,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:34:00,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:34:00,621 INFO L87 Difference]: Start difference. First operand 144626 states and 446414 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:01,835 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:34:02,051 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:34:03,122 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 70 [2021-03-10 18:34:03,355 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-03-10 18:34:03,583 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-03-10 18:34:03,817 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 78 [2021-03-10 18:34:04,035 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:34:04,251 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2021-03-10 18:34:04,483 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-03-10 18:34:04,711 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 83 [2021-03-10 18:34:04,951 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-03-10 18:34:05,163 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-03-10 18:34:05,468 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-03-10 18:34:05,722 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-03-10 18:34:05,947 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:34:06,198 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 89 [2021-03-10 18:34:06,466 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:34:06,704 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:34:06,974 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 95 [2021-03-10 18:34:07,284 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 98 [2021-03-10 18:34:07,606 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 92 [2021-03-10 18:34:08,114 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 97 [2021-03-10 18:34:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:09,428 INFO L93 Difference]: Finished difference Result 183489 states and 567333 transitions. [2021-03-10 18:34:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-10 18:34:09,429 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:34:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:09,707 INFO L225 Difference]: With dead ends: 183489 [2021-03-10 18:34:09,707 INFO L226 Difference]: Without dead ends: 183489 [2021-03-10 18:34:09,707 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 6007.8ms TimeCoverageRelationStatistics Valid=1208, Invalid=3082, Unknown=0, NotChecked=0, Total=4290 [2021-03-10 18:34:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183489 states. [2021-03-10 18:34:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183489 to 144249. [2021-03-10 18:34:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144249 states, 144245 states have (on average 3.0869007591250996) internal successors, (445270), 144248 states have internal predecessors, (445270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144249 states to 144249 states and 445270 transitions. [2021-03-10 18:34:13,230 INFO L78 Accepts]: Start accepts. Automaton has 144249 states and 445270 transitions. Word has length 98 [2021-03-10 18:34:13,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:13,230 INFO L480 AbstractCegarLoop]: Abstraction has 144249 states and 445270 transitions. [2021-03-10 18:34:13,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 144249 states and 445270 transitions. [2021-03-10 18:34:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:34:13,360 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:13,360 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:34:13,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-10 18:34:13,360 INFO L428 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:13,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1387069654, now seen corresponding path program 18 times [2021-03-10 18:34:13,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:13,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691578418] [2021-03-10 18:34:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:14,215 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2021-03-10 18:34:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:14,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691578418] [2021-03-10 18:34:14,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:14,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:34:14,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422126078] [2021-03-10 18:34:14,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:34:14,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:14,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:34:14,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:34:14,377 INFO L87 Difference]: Start difference. First operand 144249 states and 445270 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:15,613 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:34:15,829 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:34:16,607 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:34:17,043 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:34:17,415 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:34:17,726 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:34:17,995 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:34:18,347 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:34:18,723 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-03-10 18:34:19,106 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:34:19,577 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:34:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:20,879 INFO L93 Difference]: Finished difference Result 174314 states and 538264 transitions. [2021-03-10 18:34:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-10 18:34:20,879 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:34:20,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:21,157 INFO L225 Difference]: With dead ends: 174314 [2021-03-10 18:34:21,157 INFO L226 Difference]: Without dead ends: 174314 [2021-03-10 18:34:21,158 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 4679.8ms TimeCoverageRelationStatistics Valid=872, Invalid=3034, Unknown=0, NotChecked=0, Total=3906 [2021-03-10 18:34:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174314 states. [2021-03-10 18:34:24,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174314 to 144713. [2021-03-10 18:34:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144713 states, 144709 states have (on average 3.0867326842145273) internal successors, (446678), 144712 states have internal predecessors, (446678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144713 states to 144713 states and 446678 transitions. [2021-03-10 18:34:24,768 INFO L78 Accepts]: Start accepts. Automaton has 144713 states and 446678 transitions. Word has length 98 [2021-03-10 18:34:24,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:24,769 INFO L480 AbstractCegarLoop]: Abstraction has 144713 states and 446678 transitions. [2021-03-10 18:34:24,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 144713 states and 446678 transitions. [2021-03-10 18:34:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:34:24,889 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:24,889 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:34:24,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-10 18:34:24,889 INFO L428 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:24,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:24,890 INFO L82 PathProgramCache]: Analyzing trace with hash 89133194, now seen corresponding path program 19 times [2021-03-10 18:34:24,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:24,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810411341] [2021-03-10 18:34:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:25,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810411341] [2021-03-10 18:34:25,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:25,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:34:25,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235933086] [2021-03-10 18:34:25,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:34:25,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:25,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:34:25,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:34:25,495 INFO L87 Difference]: Start difference. First operand 144713 states and 446678 transitions. Second operand has 28 states, 28 states have (on average 3.5) internal successors, (98), 28 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:27,046 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:34:27,257 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:34:28,004 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 70 [2021-03-10 18:34:28,234 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-03-10 18:34:28,456 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 74 [2021-03-10 18:34:28,685 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 78 [2021-03-10 18:34:28,907 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:34:29,267 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:34:29,502 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-03-10 18:34:29,728 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-03-10 18:34:29,977 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-03-10 18:34:30,174 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2021-03-10 18:34:30,381 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 77 [2021-03-10 18:34:30,659 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-03-10 18:34:30,935 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:34:31,164 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 82 [2021-03-10 18:34:31,411 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:34:31,697 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 91 [2021-03-10 18:34:31,935 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:34:32,209 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 95 [2021-03-10 18:34:32,514 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2021-03-10 18:34:32,791 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-03-10 18:34:33,186 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2021-03-10 18:34:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:34,657 INFO L93 Difference]: Finished difference Result 175407 states and 541699 transitions. [2021-03-10 18:34:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-03-10 18:34:34,657 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.5) internal successors, (98), 28 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:34:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:34,948 INFO L225 Difference]: With dead ends: 175407 [2021-03-10 18:34:34,948 INFO L226 Difference]: Without dead ends: 175407 [2021-03-10 18:34:34,949 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 6255.0ms TimeCoverageRelationStatistics Valid=1224, Invalid=3066, Unknown=0, NotChecked=0, Total=4290 [2021-03-10 18:34:36,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175407 states. [2021-03-10 18:34:37,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175407 to 139986. [2021-03-10 18:34:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139986 states, 139982 states have (on average 3.085389550085011) internal successors, (431899), 139985 states have internal predecessors, (431899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139986 states to 139986 states and 431899 transitions. [2021-03-10 18:34:38,650 INFO L78 Accepts]: Start accepts. Automaton has 139986 states and 431899 transitions. Word has length 98 [2021-03-10 18:34:38,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:38,651 INFO L480 AbstractCegarLoop]: Abstraction has 139986 states and 431899 transitions. [2021-03-10 18:34:38,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.5) internal successors, (98), 28 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 139986 states and 431899 transitions. [2021-03-10 18:34:38,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:34:38,792 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:38,792 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:34:38,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-10 18:34:38,792 INFO L428 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:38,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:38,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2046131450, now seen corresponding path program 20 times [2021-03-10 18:34:38,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:38,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3302335] [2021-03-10 18:34:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:39,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3302335] [2021-03-10 18:34:39,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:39,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:34:39,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316229660] [2021-03-10 18:34:39,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:34:39,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:39,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:34:39,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:34:39,353 INFO L87 Difference]: Start difference. First operand 139986 states and 431899 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:40,655 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:34:41,153 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-10 18:34:41,415 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-03-10 18:34:41,886 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-03-10 18:34:42,704 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-03-10 18:34:43,019 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 84 [2021-03-10 18:34:43,249 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 89 [2021-03-10 18:34:43,573 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 91 [2021-03-10 18:34:44,054 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 94 [2021-03-10 18:34:44,452 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 87 [2021-03-10 18:34:44,934 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 92 [2021-03-10 18:34:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:46,184 INFO L93 Difference]: Finished difference Result 160771 states and 495428 transitions. [2021-03-10 18:34:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-10 18:34:46,185 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:34:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:46,597 INFO L225 Difference]: With dead ends: 160771 [2021-03-10 18:34:46,597 INFO L226 Difference]: Without dead ends: 160771 [2021-03-10 18:34:46,598 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 4333.1ms TimeCoverageRelationStatistics Valid=870, Invalid=3036, Unknown=0, NotChecked=0, Total=3906 [2021-03-10 18:34:47,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160771 states. [2021-03-10 18:34:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160771 to 140218. [2021-03-10 18:34:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140218 states, 140214 states have (on average 3.0853053190123667) internal successors, (432603), 140217 states have internal predecessors, (432603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140218 states to 140218 states and 432603 transitions. [2021-03-10 18:34:49,649 INFO L78 Accepts]: Start accepts. Automaton has 140218 states and 432603 transitions. Word has length 98 [2021-03-10 18:34:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:49,649 INFO L480 AbstractCegarLoop]: Abstraction has 140218 states and 432603 transitions. [2021-03-10 18:34:49,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 140218 states and 432603 transitions. [2021-03-10 18:34:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:34:49,764 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:49,765 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:34:49,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-10 18:34:49,765 INFO L428 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:49,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:49,765 INFO L82 PathProgramCache]: Analyzing trace with hash -569928602, now seen corresponding path program 21 times [2021-03-10 18:34:49,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:49,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947451474] [2021-03-10 18:34:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:50,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947451474] [2021-03-10 18:34:50,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:50,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:34:50,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496820159] [2021-03-10 18:34:50,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:34:50,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:50,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:34:50,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:34:50,993 INFO L87 Difference]: Start difference. First operand 140218 states and 432603 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:52,247 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2021-03-10 18:34:52,475 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-03-10 18:34:52,732 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:34:53,180 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:34:54,167 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-03-10 18:34:54,492 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 83 [2021-03-10 18:34:54,732 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 87 [2021-03-10 18:34:54,993 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2021-03-10 18:34:55,178 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 68 [2021-03-10 18:34:55,388 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 72 [2021-03-10 18:34:55,643 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 94 [2021-03-10 18:34:55,873 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 76 [2021-03-10 18:34:56,118 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2021-03-10 18:34:56,401 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-03-10 18:34:56,634 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 71 [2021-03-10 18:34:56,946 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 91 [2021-03-10 18:34:57,265 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 76 [2021-03-10 18:34:58,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:58,393 INFO L93 Difference]: Finished difference Result 164155 states and 505786 transitions. [2021-03-10 18:34:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-10 18:34:58,394 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:34:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:58,654 INFO L225 Difference]: With dead ends: 164155 [2021-03-10 18:34:58,654 INFO L226 Difference]: Without dead ends: 164155 [2021-03-10 18:34:58,654 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 5406.5ms TimeCoverageRelationStatistics Valid=966, Invalid=2694, Unknown=0, NotChecked=0, Total=3660 [2021-03-10 18:34:59,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164155 states. [2021-03-10 18:35:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164155 to 141436. [2021-03-10 18:35:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141436 states, 141432 states have (on average 3.0850726851066237) internal successors, (436328), 141435 states have internal predecessors, (436328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141436 states to 141436 states and 436328 transitions. [2021-03-10 18:35:02,069 INFO L78 Accepts]: Start accepts. Automaton has 141436 states and 436328 transitions. Word has length 98 [2021-03-10 18:35:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:02,069 INFO L480 AbstractCegarLoop]: Abstraction has 141436 states and 436328 transitions. [2021-03-10 18:35:02,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 141436 states and 436328 transitions. [2021-03-10 18:35:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:35:02,197 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:02,197 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:35:02,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-10 18:35:02,197 INFO L428 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:02,197 INFO L82 PathProgramCache]: Analyzing trace with hash 95901362, now seen corresponding path program 22 times [2021-03-10 18:35:02,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:02,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711709485] [2021-03-10 18:35:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:02,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711709485] [2021-03-10 18:35:02,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:02,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:35:02,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907707413] [2021-03-10 18:35:02,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:35:02,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:02,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:35:02,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:35:02,803 INFO L87 Difference]: Start difference. First operand 141436 states and 436328 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:04,913 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2021-03-10 18:35:05,101 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:35:05,252 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2021-03-10 18:35:05,465 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-03-10 18:35:05,629 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-03-10 18:35:05,843 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:35:06,177 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:35:06,405 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-03-10 18:35:06,564 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:35:06,771 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2021-03-10 18:35:06,967 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-03-10 18:35:07,163 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:35:07,351 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:35:07,569 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:35:07,809 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-03-10 18:35:08,009 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-03-10 18:35:08,256 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:35:08,521 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-03-10 18:35:08,741 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:35:09,013 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-03-10 18:35:09,326 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-03-10 18:35:09,736 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 89 [2021-03-10 18:35:10,031 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-03-10 18:35:10,487 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-03-10 18:35:12,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:35:12,949 INFO L93 Difference]: Finished difference Result 188187 states and 580111 transitions. [2021-03-10 18:35:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-10 18:35:12,950 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:35:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:35:13,285 INFO L225 Difference]: With dead ends: 188187 [2021-03-10 18:35:13,285 INFO L226 Difference]: Without dead ends: 188187 [2021-03-10 18:35:13,285 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 6631.4ms TimeCoverageRelationStatistics Valid=1493, Invalid=4207, Unknown=0, NotChecked=0, Total=5700 [2021-03-10 18:35:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188187 states. [2021-03-10 18:35:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188187 to 141465. [2021-03-10 18:35:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141465 states, 141461 states have (on average 3.085592495458112) internal successors, (436491), 141464 states have internal predecessors, (436491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141465 states to 141465 states and 436491 transitions. [2021-03-10 18:35:16,968 INFO L78 Accepts]: Start accepts. Automaton has 141465 states and 436491 transitions. Word has length 98 [2021-03-10 18:35:16,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:16,968 INFO L480 AbstractCegarLoop]: Abstraction has 141465 states and 436491 transitions. [2021-03-10 18:35:16,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 141465 states and 436491 transitions. [2021-03-10 18:35:17,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:35:17,090 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:17,091 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:35:17,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-10 18:35:17,091 INFO L428 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:17,091 INFO L82 PathProgramCache]: Analyzing trace with hash -755098908, now seen corresponding path program 23 times [2021-03-10 18:35:17,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:17,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194228435] [2021-03-10 18:35:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:17,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194228435] [2021-03-10 18:35:17,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:17,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:35:17,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055116846] [2021-03-10 18:35:17,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:35:17,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:17,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:35:17,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:35:17,725 INFO L87 Difference]: Start difference. First operand 141465 states and 436491 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:18,551 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-03-10 18:35:19,656 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:35:19,836 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-03-10 18:35:19,979 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-03-10 18:35:20,174 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-03-10 18:35:20,327 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-03-10 18:35:20,536 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-03-10 18:35:20,702 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-03-10 18:35:20,930 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-03-10 18:35:21,211 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:35:21,418 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:35:21,607 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-03-10 18:35:21,772 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-03-10 18:35:21,971 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:35:22,158 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:35:22,384 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:35:22,580 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:35:22,821 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-03-10 18:35:23,034 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:35:23,256 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:35:23,475 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:35:23,675 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:35:23,956 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:35:24,164 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-03-10 18:35:24,419 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-03-10 18:35:24,630 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-03-10 18:35:24,849 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:35:25,163 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-03-10 18:35:25,456 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:35:25,678 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-03-10 18:35:26,048 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:35:26,277 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:35:26,602 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:35:27,044 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-03-10 18:35:29,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:35:29,519 INFO L93 Difference]: Finished difference Result 179182 states and 552344 transitions. [2021-03-10 18:35:29,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-10 18:35:29,520 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:35:29,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:35:29,829 INFO L225 Difference]: With dead ends: 179182 [2021-03-10 18:35:29,829 INFO L226 Difference]: Without dead ends: 179182 [2021-03-10 18:35:29,830 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 8663.4ms TimeCoverageRelationStatistics Valid=1869, Invalid=5271, Unknown=0, NotChecked=0, Total=7140 [2021-03-10 18:35:31,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179182 states. [2021-03-10 18:35:32,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179182 to 141784. [2021-03-10 18:35:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141784 states, 141780 states have (on average 3.085682042601213) internal successors, (437488), 141783 states have internal predecessors, (437488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141784 states to 141784 states and 437488 transitions. [2021-03-10 18:35:33,776 INFO L78 Accepts]: Start accepts. Automaton has 141784 states and 437488 transitions. Word has length 98 [2021-03-10 18:35:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:33,777 INFO L480 AbstractCegarLoop]: Abstraction has 141784 states and 437488 transitions. [2021-03-10 18:35:33,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 141784 states and 437488 transitions. [2021-03-10 18:35:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:35:33,947 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:33,947 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:35:33,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-10 18:35:33,947 INFO L428 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:33,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:33,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1468228760, now seen corresponding path program 24 times [2021-03-10 18:35:33,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:33,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596291995] [2021-03-10 18:35:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:34,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596291995] [2021-03-10 18:35:34,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:34,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:35:34,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849669458] [2021-03-10 18:35:34,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:35:34,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:34,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:35:34,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:35:34,587 INFO L87 Difference]: Start difference. First operand 141784 states and 437488 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:36,239 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:35:36,690 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-03-10 18:35:36,833 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-03-10 18:35:37,030 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-03-10 18:35:37,182 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-03-10 18:35:37,394 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-03-10 18:35:37,559 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-03-10 18:35:37,789 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-03-10 18:35:37,940 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:35:38,144 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:35:38,333 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-03-10 18:35:38,498 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-03-10 18:35:38,700 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:35:38,893 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:35:39,189 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:35:39,387 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:35:39,626 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-03-10 18:35:39,835 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-03-10 18:35:40,057 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:35:40,274 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-03-10 18:35:40,475 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:35:40,744 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:35:40,957 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-03-10 18:35:41,217 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-03-10 18:35:41,430 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-03-10 18:35:41,714 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-03-10 18:35:42,037 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-03-10 18:35:42,328 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:35:42,547 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-03-10 18:35:42,807 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-03-10 18:35:43,104 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:35:43,327 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-03-10 18:35:43,633 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:35:44,077 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-03-10 18:35:44,615 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:35:45,359 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-03-10 18:35:47,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:35:47,245 INFO L93 Difference]: Finished difference Result 180603 states and 556656 transitions. [2021-03-10 18:35:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-10 18:35:47,246 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:35:47,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:35:47,521 INFO L225 Difference]: With dead ends: 180603 [2021-03-10 18:35:47,521 INFO L226 Difference]: Without dead ends: 180603 [2021-03-10 18:35:47,522 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1286 ImplicationChecksByTransitivity, 8908.3ms TimeCoverageRelationStatistics Valid=2028, Invalid=5628, Unknown=0, NotChecked=0, Total=7656 [2021-03-10 18:35:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180603 states. [2021-03-10 18:35:50,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180603 to 141813. [2021-03-10 18:35:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141813 states, 141809 states have (on average 3.085671572326157) internal successors, (437576), 141812 states have internal predecessors, (437576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141813 states to 141813 states and 437576 transitions. [2021-03-10 18:35:51,384 INFO L78 Accepts]: Start accepts. Automaton has 141813 states and 437576 transitions. Word has length 98 [2021-03-10 18:35:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:51,384 INFO L480 AbstractCegarLoop]: Abstraction has 141813 states and 437576 transitions. [2021-03-10 18:35:51,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 141813 states and 437576 transitions. [2021-03-10 18:35:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:35:51,513 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:51,513 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:35:51,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-10 18:35:51,513 INFO L428 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:51,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:51,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1350535688, now seen corresponding path program 25 times [2021-03-10 18:35:51,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:51,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981668872] [2021-03-10 18:35:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:52,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981668872] [2021-03-10 18:35:52,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:52,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:35:52,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821742474] [2021-03-10 18:35:52,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:35:52,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:52,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:35:52,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=736, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:35:52,374 INFO L87 Difference]: Start difference. First operand 141813 states and 437576 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:53,961 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-03-10 18:35:54,392 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-03-10 18:35:54,539 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-03-10 18:35:54,744 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-03-10 18:35:54,900 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-03-10 18:35:55,118 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:35:55,286 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-03-10 18:35:55,519 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-03-10 18:35:55,667 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-03-10 18:35:55,873 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-03-10 18:35:56,070 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:35:56,233 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-03-10 18:35:56,445 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-03-10 18:35:56,640 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-03-10 18:35:56,913 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 74 [2021-03-10 18:35:57,117 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 72 [2021-03-10 18:35:57,364 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77 [2021-03-10 18:35:57,581 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 76 [2021-03-10 18:35:57,813 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:35:58,039 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 78 [2021-03-10 18:35:58,247 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-03-10 18:35:58,523 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 81 [2021-03-10 18:35:58,747 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 81 [2021-03-10 18:35:59,011 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-03-10 18:35:59,231 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 75 [2021-03-10 18:35:59,509 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-03-10 18:35:59,844 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 86 [2021-03-10 18:36:00,146 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-03-10 18:36:00,374 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-03-10 18:36:00,667 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:36:00,976 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:36:01,240 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2021-03-10 18:36:01,587 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-03-10 18:36:02,050 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 96 [2021-03-10 18:36:02,414 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-03-10 18:36:02,907 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2021-03-10 18:36:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:36:04,396 INFO L93 Difference]: Finished difference Result 180469 states and 556201 transitions. [2021-03-10 18:36:04,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-10 18:36:04,398 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:36:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:36:04,845 INFO L225 Difference]: With dead ends: 180469 [2021-03-10 18:36:04,845 INFO L226 Difference]: Without dead ends: 180469 [2021-03-10 18:36:04,846 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 8961.8ms TimeCoverageRelationStatistics Valid=1863, Invalid=4457, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:36:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180469 states. [2021-03-10 18:36:07,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180469 to 147120. [2021-03-10 18:36:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147120 states, 147116 states have (on average 3.0873596345740775) internal successors, (454200), 147119 states have internal predecessors, (454200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147120 states to 147120 states and 454200 transitions. [2021-03-10 18:36:08,103 INFO L78 Accepts]: Start accepts. Automaton has 147120 states and 454200 transitions. Word has length 98 [2021-03-10 18:36:08,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:36:08,103 INFO L480 AbstractCegarLoop]: Abstraction has 147120 states and 454200 transitions. [2021-03-10 18:36:08,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 147120 states and 454200 transitions. [2021-03-10 18:36:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:36:08,227 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:36:08,227 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:36:08,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-10 18:36:08,227 INFO L428 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:36:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:36:08,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1886780978, now seen corresponding path program 26 times [2021-03-10 18:36:08,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:36:08,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314474806] [2021-03-10 18:36:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:36:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:36:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:36:09,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314474806] [2021-03-10 18:36:09,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:36:09,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:36:09,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751608718] [2021-03-10 18:36:09,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:36:09,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:36:09,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:36:09,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:36:09,270 INFO L87 Difference]: Start difference. First operand 147120 states and 454200 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:10,636 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-10 18:36:10,892 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:36:11,084 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-03-10 18:36:11,288 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:36:11,504 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-03-10 18:36:11,901 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2021-03-10 18:36:12,106 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:36:12,289 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:36:12,488 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:36:12,709 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-03-10 18:36:12,910 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-03-10 18:36:13,142 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:36:13,391 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-03-10 18:36:13,596 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:36:13,837 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-03-10 18:36:14,114 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-03-10 18:36:14,454 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 89 [2021-03-10 18:36:14,704 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-03-10 18:36:15,078 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-03-10 18:36:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:36:17,317 INFO L93 Difference]: Finished difference Result 194954 states and 601214 transitions. [2021-03-10 18:36:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-10 18:36:17,318 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:36:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:36:17,605 INFO L225 Difference]: With dead ends: 194954 [2021-03-10 18:36:17,605 INFO L226 Difference]: Without dead ends: 194954 [2021-03-10 18:36:17,606 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 6106.0ms TimeCoverageRelationStatistics Valid=1280, Invalid=3690, Unknown=0, NotChecked=0, Total=4970 [2021-03-10 18:36:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194954 states. [2021-03-10 18:36:20,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194954 to 148164. [2021-03-10 18:36:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148164 states, 148160 states have (on average 3.0879589632829374) internal successors, (457512), 148163 states have internal predecessors, (457512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148164 states to 148164 states and 457512 transitions. [2021-03-10 18:36:21,412 INFO L78 Accepts]: Start accepts. Automaton has 148164 states and 457512 transitions. Word has length 98 [2021-03-10 18:36:21,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:36:21,412 INFO L480 AbstractCegarLoop]: Abstraction has 148164 states and 457512 transitions. [2021-03-10 18:36:21,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 148164 states and 457512 transitions. [2021-03-10 18:36:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:36:21,538 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:36:21,538 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:36:21,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-10 18:36:21,538 INFO L428 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:36:21,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:36:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1035780708, now seen corresponding path program 27 times [2021-03-10 18:36:21,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:36:21,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468168149] [2021-03-10 18:36:21,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:36:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:36:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:36:22,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468168149] [2021-03-10 18:36:22,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:36:22,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:36:22,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985474731] [2021-03-10 18:36:22,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:36:22,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:36:22,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:36:22,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:36:22,206 INFO L87 Difference]: Start difference. First operand 148164 states and 457512 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:23,835 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2021-03-10 18:36:24,026 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:36:24,317 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-03-10 18:36:24,518 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-03-10 18:36:24,730 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-03-10 18:36:24,960 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-03-10 18:36:25,168 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-03-10 18:36:25,358 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 71 [2021-03-10 18:36:25,561 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:36:25,749 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:36:25,965 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:36:26,166 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-03-10 18:36:26,499 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-03-10 18:36:26,710 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-03-10 18:36:26,928 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-03-10 18:36:27,147 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-03-10 18:36:27,352 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:36:27,612 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:36:27,823 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:36:28,068 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:36:28,280 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-03-10 18:36:28,501 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:36:28,806 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:36:29,166 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:36:29,413 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:36:29,784 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:36:30,047 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:36:30,347 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-03-10 18:36:30,741 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 90 [2021-03-10 18:36:33,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:36:33,261 INFO L93 Difference]: Finished difference Result 201885 states and 622797 transitions. [2021-03-10 18:36:33,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-10 18:36:33,261 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:36:33,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:36:33,622 INFO L225 Difference]: With dead ends: 201885 [2021-03-10 18:36:33,622 INFO L226 Difference]: Without dead ends: 201885 [2021-03-10 18:36:33,622 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 8051.8ms TimeCoverageRelationStatistics Valid=1647, Invalid=4673, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:36:34,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201885 states. [2021-03-10 18:36:36,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201885 to 148483. [2021-03-10 18:36:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148483 states, 148479 states have (on average 3.0880393860411237) internal successors, (458509), 148482 states have internal predecessors, (458509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148483 states to 148483 states and 458509 transitions. [2021-03-10 18:36:37,409 INFO L78 Accepts]: Start accepts. Automaton has 148483 states and 458509 transitions. Word has length 98 [2021-03-10 18:36:37,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:36:37,409 INFO L480 AbstractCegarLoop]: Abstraction has 148483 states and 458509 transitions. [2021-03-10 18:36:37,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 148483 states and 458509 transitions. [2021-03-10 18:36:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:36:37,542 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:36:37,542 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:36:37,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-10 18:36:37,542 INFO L428 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:36:37,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:36:37,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1035858920, now seen corresponding path program 28 times [2021-03-10 18:36:37,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:36:37,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287220168] [2021-03-10 18:36:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:36:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:36:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:36:38,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287220168] [2021-03-10 18:36:38,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:36:38,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:36:38,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719019723] [2021-03-10 18:36:38,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:36:38,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:36:38,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:36:38,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:36:38,209 INFO L87 Difference]: Start difference. First operand 148483 states and 458509 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:40,161 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:36:40,460 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-03-10 18:36:40,662 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-03-10 18:36:40,876 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-03-10 18:36:41,110 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-03-10 18:36:41,318 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-03-10 18:36:41,658 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 71 [2021-03-10 18:36:41,857 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:36:42,045 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:36:42,262 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:36:42,462 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-03-10 18:36:42,701 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-03-10 18:36:42,911 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:36:43,132 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-03-10 18:36:43,350 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-03-10 18:36:43,554 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:36:43,816 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:36:44,032 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:36:44,299 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:36:44,512 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-03-10 18:36:44,735 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-03-10 18:36:45,045 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:36:45,345 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:36:45,565 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:36:45,813 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-03-10 18:36:46,077 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:36:46,305 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:36:46,590 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:36:47,013 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-03-10 18:36:47,475 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:36:48,221 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-03-10 18:36:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:36:50,061 INFO L93 Difference]: Finished difference Result 203161 states and 626669 transitions. [2021-03-10 18:36:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-03-10 18:36:50,062 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:36:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:36:50,417 INFO L225 Difference]: With dead ends: 203161 [2021-03-10 18:36:50,417 INFO L226 Difference]: Without dead ends: 203161 [2021-03-10 18:36:50,417 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 8305.1ms TimeCoverageRelationStatistics Valid=1797, Invalid=5009, Unknown=0, NotChecked=0, Total=6806 [2021-03-10 18:36:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203161 states. [2021-03-10 18:36:53,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203161 to 148512. [2021-03-10 18:36:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148512 states, 148508 states have (on average 3.0880289277345327) internal successors, (458597), 148511 states have internal predecessors, (458597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148512 states to 148512 states and 458597 transitions. [2021-03-10 18:36:54,406 INFO L78 Accepts]: Start accepts. Automaton has 148512 states and 458597 transitions. Word has length 98 [2021-03-10 18:36:54,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:36:54,406 INFO L480 AbstractCegarLoop]: Abstraction has 148512 states and 458597 transitions. [2021-03-10 18:36:54,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 148512 states and 458597 transitions. [2021-03-10 18:36:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:36:54,536 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:36:54,536 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:36:54,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-10 18:36:54,536 INFO L428 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:36:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:36:54,536 INFO L82 PathProgramCache]: Analyzing trace with hash 440343928, now seen corresponding path program 29 times [2021-03-10 18:36:54,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:36:54,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416432873] [2021-03-10 18:36:54,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:36:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:36:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:36:55,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416432873] [2021-03-10 18:36:55,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:36:55,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:36:55,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095371090] [2021-03-10 18:36:55,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:36:55,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:36:55,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:36:55,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:36:55,340 INFO L87 Difference]: Start difference. First operand 148512 states and 458597 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:56,553 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2021-03-10 18:36:57,214 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:36:57,452 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2021-03-10 18:36:57,638 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-03-10 18:36:57,784 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:36:57,995 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:36:58,151 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-03-10 18:36:58,375 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:36:58,542 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-03-10 18:36:58,783 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:36:58,936 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-03-10 18:36:59,275 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:36:59,476 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-03-10 18:36:59,643 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:36:59,858 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2021-03-10 18:37:00,049 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-10 18:37:00,297 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:37:00,500 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-03-10 18:37:00,758 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-03-10 18:37:00,977 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-03-10 18:37:01,217 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-03-10 18:37:01,445 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:37:01,658 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-03-10 18:37:01,967 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2021-03-10 18:37:02,193 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-03-10 18:37:02,466 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-03-10 18:37:02,684 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-03-10 18:37:02,921 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:37:03,270 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-03-10 18:37:03,590 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-03-10 18:37:03,817 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-03-10 18:37:04,115 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:37:04,425 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:37:04,708 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:37:05,070 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:37:05,502 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2021-03-10 18:37:05,895 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2021-03-10 18:37:06,411 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-03-10 18:37:08,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:08,192 INFO L93 Difference]: Finished difference Result 201846 states and 622705 transitions. [2021-03-10 18:37:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-03-10 18:37:08,192 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:37:08,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:08,565 INFO L225 Difference]: With dead ends: 201846 [2021-03-10 18:37:08,565 INFO L226 Difference]: Without dead ends: 201846 [2021-03-10 18:37:08,565 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 874 ImplicationChecksByTransitivity, 9512.1ms TimeCoverageRelationStatistics Valid=1914, Invalid=4566, Unknown=0, NotChecked=0, Total=6480 [2021-03-10 18:37:09,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201846 states. [2021-03-10 18:37:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201846 to 147555. [2021-03-10 18:37:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147555 states, 147551 states have (on average 3.087671381420661) internal successors, (455589), 147554 states have internal predecessors, (455589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147555 states to 147555 states and 455589 transitions. [2021-03-10 18:37:12,463 INFO L78 Accepts]: Start accepts. Automaton has 147555 states and 455589 transitions. Word has length 98 [2021-03-10 18:37:12,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:37:12,463 INFO L480 AbstractCegarLoop]: Abstraction has 147555 states and 455589 transitions. [2021-03-10 18:37:12,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 147555 states and 455589 transitions. [2021-03-10 18:37:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:37:12,585 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:37:12,586 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:37:12,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-10 18:37:12,586 INFO L428 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:37:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:37:12,586 INFO L82 PathProgramCache]: Analyzing trace with hash 826545746, now seen corresponding path program 30 times [2021-03-10 18:37:12,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:37:12,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298278287] [2021-03-10 18:37:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:37:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:37:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:37:13,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298278287] [2021-03-10 18:37:13,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:37:13,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:37:13,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642339619] [2021-03-10 18:37:13,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:37:13,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:37:13,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:37:13,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:37:13,252 INFO L87 Difference]: Start difference. First operand 147555 states and 455589 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:15,172 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:37:15,554 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:37:15,814 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-03-10 18:37:16,045 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:37:16,347 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:37:16,586 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:37:16,837 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:37:17,265 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-03-10 18:37:17,510 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:37:17,730 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:37:17,952 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:37:18,211 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:37:18,438 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:37:18,677 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:37:18,892 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 73 [2021-03-10 18:37:19,119 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 89 [2021-03-10 18:37:19,512 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 92 [2021-03-10 18:37:19,961 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:37:20,348 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:37:20,914 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:37:22,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:22,636 INFO L93 Difference]: Finished difference Result 199859 states and 617263 transitions. [2021-03-10 18:37:22,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-10 18:37:22,637 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:37:22,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:22,962 INFO L225 Difference]: With dead ends: 199859 [2021-03-10 18:37:22,962 INFO L226 Difference]: Without dead ends: 199859 [2021-03-10 18:37:22,962 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 6332.4ms TimeCoverageRelationStatistics Valid=1275, Invalid=3837, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:37:24,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199859 states. [2021-03-10 18:37:26,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199859 to 148686. [2021-03-10 18:37:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148686 states, 148682 states have (on average 3.0882420198813576) internal successors, (459166), 148685 states have internal predecessors, (459166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148686 states to 148686 states and 459166 transitions. [2021-03-10 18:37:26,912 INFO L78 Accepts]: Start accepts. Automaton has 148686 states and 459166 transitions. Word has length 98 [2021-03-10 18:37:26,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:37:26,912 INFO L480 AbstractCegarLoop]: Abstraction has 148686 states and 459166 transitions. [2021-03-10 18:37:26,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 148686 states and 459166 transitions. [2021-03-10 18:37:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:37:27,040 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:37:27,040 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:37:27,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-10 18:37:27,040 INFO L428 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:37:27,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:37:27,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1245093882, now seen corresponding path program 31 times [2021-03-10 18:37:27,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:37:27,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318592590] [2021-03-10 18:37:27,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:37:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:37:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:37:27,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318592590] [2021-03-10 18:37:27,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:37:27,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:37:27,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548716717] [2021-03-10 18:37:27,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:37:27,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:37:27,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:37:27,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:37:27,681 INFO L87 Difference]: Start difference. First operand 148686 states and 459166 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:29,408 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2021-03-10 18:37:29,605 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:37:30,003 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:37:30,272 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:37:30,503 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:37:30,728 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-03-10 18:37:30,967 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-03-10 18:37:31,218 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:37:31,439 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:37:31,692 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:37:31,928 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:37:32,291 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:37:32,506 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-03-10 18:37:32,806 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-03-10 18:37:33,082 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:37:33,315 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2021-03-10 18:37:33,546 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-03-10 18:37:33,801 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:37:34,054 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:37:34,303 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:37:34,710 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-03-10 18:37:35,175 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-03-10 18:37:35,907 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-03-10 18:37:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:37,632 INFO L93 Difference]: Finished difference Result 200033 states and 617240 transitions. [2021-03-10 18:37:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:37:37,633 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:37:37,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:37,966 INFO L225 Difference]: With dead ends: 200033 [2021-03-10 18:37:37,966 INFO L226 Difference]: Without dead ends: 200033 [2021-03-10 18:37:37,967 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 6953.4ms TimeCoverageRelationStatistics Valid=1363, Invalid=4039, Unknown=0, NotChecked=0, Total=5402 [2021-03-10 18:37:39,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200033 states. [2021-03-10 18:37:41,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200033 to 149063. [2021-03-10 18:37:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149063 states, 149059 states have (on average 3.088106051966) internal successors, (460310), 149062 states have internal predecessors, (460310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149063 states to 149063 states and 460310 transitions. [2021-03-10 18:37:41,982 INFO L78 Accepts]: Start accepts. Automaton has 149063 states and 460310 transitions. Word has length 98 [2021-03-10 18:37:41,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:37:41,982 INFO L480 AbstractCegarLoop]: Abstraction has 149063 states and 460310 transitions. [2021-03-10 18:37:41,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 149063 states and 460310 transitions. [2021-03-10 18:37:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:37:42,112 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:37:42,112 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:37:42,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-10 18:37:42,112 INFO L428 AbstractCegarLoop]: === Iteration 35 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:37:42,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:37:42,112 INFO L82 PathProgramCache]: Analyzing trace with hash 231108966, now seen corresponding path program 32 times [2021-03-10 18:37:42,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:37:42,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528494794] [2021-03-10 18:37:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:37:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:37:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:37:43,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528494794] [2021-03-10 18:37:43,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:37:43,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:37:43,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648135184] [2021-03-10 18:37:43,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:37:43,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:37:43,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:37:43,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=741, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:37:43,003 INFO L87 Difference]: Start difference. First operand 149063 states and 460310 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:44,900 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2021-03-10 18:37:45,142 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2021-03-10 18:37:45,338 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2021-03-10 18:37:45,484 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:37:45,694 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-03-10 18:37:45,853 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-03-10 18:37:46,078 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-03-10 18:37:46,250 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-03-10 18:37:46,410 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2021-03-10 18:37:46,650 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-03-10 18:37:46,802 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-03-10 18:37:47,122 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-03-10 18:37:47,314 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-03-10 18:37:47,514 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 69 [2021-03-10 18:37:47,681 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:37:47,909 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:37:48,107 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-03-10 18:37:48,311 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-03-10 18:37:48,553 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-03-10 18:37:48,773 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:37:49,050 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-03-10 18:37:49,289 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-03-10 18:37:49,549 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:37:49,812 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 86 [2021-03-10 18:37:50,032 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:37:50,352 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2021-03-10 18:37:50,592 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-03-10 18:37:50,876 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:37:51,115 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:37:51,366 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:37:51,736 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 94 [2021-03-10 18:37:52,084 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:37:52,323 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-03-10 18:37:52,656 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-03-10 18:37:52,980 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 91 [2021-03-10 18:37:53,254 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 94 [2021-03-10 18:37:53,632 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:37:54,054 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 101 [2021-03-10 18:37:54,461 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-03-10 18:37:54,942 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2021-03-10 18:37:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:56,789 INFO L93 Difference]: Finished difference Result 191587 states and 590653 transitions. [2021-03-10 18:37:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-03-10 18:37:56,790 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:37:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:57,091 INFO L225 Difference]: With dead ends: 191587 [2021-03-10 18:37:57,091 INFO L226 Difference]: Without dead ends: 191587 [2021-03-10 18:37:57,091 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 10029.1ms TimeCoverageRelationStatistics Valid=2034, Invalid=4938, Unknown=0, NotChecked=0, Total=6972 [2021-03-10 18:37:58,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191587 states. [2021-03-10 18:38:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191587 to 152630. [2021-03-10 18:38:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152630 states, 152626 states have (on average 3.0887528992439033) internal successors, (471424), 152629 states have internal predecessors, (471424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152630 states to 152630 states and 471424 transitions. [2021-03-10 18:38:00,819 INFO L78 Accepts]: Start accepts. Automaton has 152630 states and 471424 transitions. Word has length 98 [2021-03-10 18:38:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:00,820 INFO L480 AbstractCegarLoop]: Abstraction has 152630 states and 471424 transitions. [2021-03-10 18:38:00,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 152630 states and 471424 transitions. [2021-03-10 18:38:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:38:00,976 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:00,976 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:38:00,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-10 18:38:00,976 INFO L428 AbstractCegarLoop]: === Iteration 36 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:00,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:00,977 INFO L82 PathProgramCache]: Analyzing trace with hash -587747918, now seen corresponding path program 33 times [2021-03-10 18:38:00,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:00,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825414721] [2021-03-10 18:38:00,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:01,976 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2021-03-10 18:38:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:02,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825414721] [2021-03-10 18:38:02,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:02,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:38:02,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717570424] [2021-03-10 18:38:02,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:38:02,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:02,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:38:02,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:38:02,135 INFO L87 Difference]: Start difference. First operand 152630 states and 471424 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:03,770 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-03-10 18:38:04,179 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:38:04,450 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:38:04,684 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:38:05,212 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:38:05,512 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:38:05,755 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:38:06,102 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:38:06,527 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-03-10 18:38:06,944 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:38:07,449 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:38:08,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:38:08,945 INFO L93 Difference]: Finished difference Result 189245 states and 583576 transitions. [2021-03-10 18:38:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-10 18:38:08,946 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:38:08,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:38:09,260 INFO L225 Difference]: With dead ends: 189245 [2021-03-10 18:38:09,260 INFO L226 Difference]: Without dead ends: 189245 [2021-03-10 18:38:09,261 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 4618.7ms TimeCoverageRelationStatistics Valid=872, Invalid=3034, Unknown=0, NotChecked=0, Total=3906 [2021-03-10 18:38:10,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189245 states. [2021-03-10 18:38:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189245 to 152746. [2021-03-10 18:38:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152746 states, 152742 states have (on average 3.0887116837543047) internal successors, (471776), 152745 states have internal predecessors, (471776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152746 states to 152746 states and 471776 transitions. [2021-03-10 18:38:13,030 INFO L78 Accepts]: Start accepts. Automaton has 152746 states and 471776 transitions. Word has length 98 [2021-03-10 18:38:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:13,031 INFO L480 AbstractCegarLoop]: Abstraction has 152746 states and 471776 transitions. [2021-03-10 18:38:13,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 152746 states and 471776 transitions. [2021-03-10 18:38:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:38:13,186 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:13,186 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:38:13,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-10 18:38:13,186 INFO L428 AbstractCegarLoop]: === Iteration 37 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:13,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:13,186 INFO L82 PathProgramCache]: Analyzing trace with hash 888454930, now seen corresponding path program 34 times [2021-03-10 18:38:13,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:13,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128082779] [2021-03-10 18:38:13,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:14,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128082779] [2021-03-10 18:38:14,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:14,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:38:14,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604730043] [2021-03-10 18:38:14,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:38:14,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:14,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:38:14,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:38:14,068 INFO L87 Difference]: Start difference. First operand 152746 states and 471776 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:16,036 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:38:16,277 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2021-03-10 18:38:16,474 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:38:16,620 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:38:16,830 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:38:16,990 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-03-10 18:38:17,214 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:38:17,553 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-03-10 18:38:17,714 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-03-10 18:38:17,952 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-03-10 18:38:18,106 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-03-10 18:38:18,326 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-03-10 18:38:18,515 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2021-03-10 18:38:18,715 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:38:18,885 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:38:19,111 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 72 [2021-03-10 18:38:19,310 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:38:19,511 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-03-10 18:38:19,751 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2021-03-10 18:38:19,965 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2021-03-10 18:38:20,249 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:38:20,472 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-03-10 18:38:20,726 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 71 [2021-03-10 18:38:20,962 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-03-10 18:38:21,184 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 77 [2021-03-10 18:38:21,488 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 83 [2021-03-10 18:38:21,723 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 81 [2021-03-10 18:38:21,998 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:38:22,227 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2021-03-10 18:38:22,474 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:38:22,697 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:38:23,044 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-03-10 18:38:23,378 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2021-03-10 18:38:23,617 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-03-10 18:38:23,922 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 83 [2021-03-10 18:38:24,252 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-10 18:38:24,510 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-03-10 18:38:24,863 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:38:25,253 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 94 [2021-03-10 18:38:25,658 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 86 [2021-03-10 18:38:26,108 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 91 [2021-03-10 18:38:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:38:27,868 INFO L93 Difference]: Finished difference Result 190456 states and 587221 transitions. [2021-03-10 18:38:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-10 18:38:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:38:27,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:38:28,370 INFO L225 Difference]: With dead ends: 190456 [2021-03-10 18:38:28,370 INFO L226 Difference]: Without dead ends: 190456 [2021-03-10 18:38:28,371 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 10231.8ms TimeCoverageRelationStatistics Valid=2076, Invalid=5064, Unknown=0, NotChecked=0, Total=7140 [2021-03-10 18:38:29,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190456 states. [2021-03-10 18:38:31,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190456 to 141146. [2021-03-10 18:38:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141146 states, 141142 states have (on average 3.0851766306273114) internal successors, (435448), 141145 states have internal predecessors, (435448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141146 states to 141146 states and 435448 transitions. [2021-03-10 18:38:31,644 INFO L78 Accepts]: Start accepts. Automaton has 141146 states and 435448 transitions. Word has length 98 [2021-03-10 18:38:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:31,644 INFO L480 AbstractCegarLoop]: Abstraction has 141146 states and 435448 transitions. [2021-03-10 18:38:31,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 141146 states and 435448 transitions. [2021-03-10 18:38:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:38:31,767 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:31,767 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:38:31,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-10 18:38:31,767 INFO L428 AbstractCegarLoop]: === Iteration 38 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:31,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:31,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1316674912, now seen corresponding path program 35 times [2021-03-10 18:38:31,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:31,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582108529] [2021-03-10 18:38:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:32,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582108529] [2021-03-10 18:38:32,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:32,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:38:32,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664129568] [2021-03-10 18:38:32,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:38:32,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:32,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:38:32,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:38:32,846 INFO L87 Difference]: Start difference. First operand 141146 states and 435448 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:34,161 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2021-03-10 18:38:34,451 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2021-03-10 18:38:34,640 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:38:34,797 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2021-03-10 18:38:34,997 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-03-10 18:38:35,162 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-03-10 18:38:35,556 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:38:35,732 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:38:35,959 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-03-10 18:38:36,122 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:38:36,327 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2021-03-10 18:38:36,526 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-03-10 18:38:36,724 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:38:36,918 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:38:37,139 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:38:37,384 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-03-10 18:38:37,589 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-03-10 18:38:37,836 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:38:38,104 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-03-10 18:38:38,331 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:38:38,597 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-03-10 18:38:38,904 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-03-10 18:38:39,277 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 89 [2021-03-10 18:38:39,567 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-03-10 18:38:39,967 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-03-10 18:38:42,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:38:42,456 INFO L93 Difference]: Finished difference Result 218292 states and 673437 transitions. [2021-03-10 18:38:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-10 18:38:42,457 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:38:42,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:38:42,847 INFO L225 Difference]: With dead ends: 218292 [2021-03-10 18:38:42,847 INFO L226 Difference]: Without dead ends: 218292 [2021-03-10 18:38:42,847 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 7316.5ms TimeCoverageRelationStatistics Valid=1493, Invalid=4207, Unknown=0, NotChecked=0, Total=5700 [2021-03-10 18:38:44,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218292 states. [2021-03-10 18:38:46,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218292 to 142074. [2021-03-10 18:38:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142074 states, 142070 states have (on average 3.0853734074751884) internal successors, (438339), 142073 states have internal predecessors, (438339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142074 states to 142074 states and 438339 transitions. [2021-03-10 18:38:47,232 INFO L78 Accepts]: Start accepts. Automaton has 142074 states and 438339 transitions. Word has length 98 [2021-03-10 18:38:47,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:47,232 INFO L480 AbstractCegarLoop]: Abstraction has 142074 states and 438339 transitions. [2021-03-10 18:38:47,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 142074 states and 438339 transitions. [2021-03-10 18:38:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:38:47,370 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:47,370 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:38:47,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-10 18:38:47,370 INFO L428 AbstractCegarLoop]: === Iteration 39 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:47,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:47,371 INFO L82 PathProgramCache]: Analyzing trace with hash 2127292114, now seen corresponding path program 36 times [2021-03-10 18:38:47,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:47,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731634786] [2021-03-10 18:38:47,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:48,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731634786] [2021-03-10 18:38:48,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:48,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:38:48,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791224264] [2021-03-10 18:38:48,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:38:48,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:48,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:38:48,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:38:48,115 INFO L87 Difference]: Start difference. First operand 142074 states and 438339 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:49,799 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2021-03-10 18:38:49,988 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2021-03-10 18:38:50,375 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-03-10 18:38:50,579 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-03-10 18:38:50,738 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-03-10 18:38:50,958 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-03-10 18:38:51,127 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-03-10 18:38:51,361 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:38:51,517 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-03-10 18:38:51,722 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2021-03-10 18:38:51,919 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2021-03-10 18:38:52,088 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:38:52,300 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:38:52,495 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:38:52,733 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-03-10 18:38:52,937 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-03-10 18:38:53,223 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-03-10 18:38:53,438 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-03-10 18:38:53,673 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-03-10 18:38:53,898 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-03-10 18:38:54,103 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:38:54,381 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-03-10 18:38:54,597 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-03-10 18:38:54,863 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-03-10 18:38:55,080 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:38:55,305 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:38:55,643 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:38:55,983 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:38:56,211 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:38:56,585 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:38:56,818 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:38:57,128 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:38:57,546 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-03-10 18:39:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:00,318 INFO L93 Difference]: Finished difference Result 210440 states and 649141 transitions. [2021-03-10 18:39:00,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-10 18:39:00,319 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:39:00,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:00,709 INFO L225 Difference]: With dead ends: 210440 [2021-03-10 18:39:00,709 INFO L226 Difference]: Without dead ends: 210440 [2021-03-10 18:39:00,709 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 8707.5ms TimeCoverageRelationStatistics Valid=1869, Invalid=5271, Unknown=0, NotChecked=0, Total=7140 [2021-03-10 18:39:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210440 states. [2021-03-10 18:39:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210440 to 142393. [2021-03-10 18:39:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142393 states, 142389 states have (on average 3.085463062455667) internal successors, (439336), 142392 states have internal predecessors, (439336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142393 states to 142393 states and 439336 transitions. [2021-03-10 18:39:04,537 INFO L78 Accepts]: Start accepts. Automaton has 142393 states and 439336 transitions. Word has length 98 [2021-03-10 18:39:04,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:04,537 INFO L480 AbstractCegarLoop]: Abstraction has 142393 states and 439336 transitions. [2021-03-10 18:39:04,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 142393 states and 439336 transitions. [2021-03-10 18:39:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:39:04,659 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:04,659 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:39:04,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-10 18:39:04,659 INFO L428 AbstractCegarLoop]: === Iteration 40 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:04,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:04,660 INFO L82 PathProgramCache]: Analyzing trace with hash 55652486, now seen corresponding path program 37 times [2021-03-10 18:39:04,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:04,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919969665] [2021-03-10 18:39:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:05,543 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2021-03-10 18:39:05,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:05,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919969665] [2021-03-10 18:39:05,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:05,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:39:05,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427308809] [2021-03-10 18:39:05,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:39:05,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:05,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:39:05,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:39:05,769 INFO L87 Difference]: Start difference. First operand 142393 states and 439336 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:07,090 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2021-03-10 18:39:07,381 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2021-03-10 18:39:07,572 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2021-03-10 18:39:07,725 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-03-10 18:39:07,932 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-03-10 18:39:08,092 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-03-10 18:39:08,314 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-03-10 18:39:08,650 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-03-10 18:39:08,882 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:39:09,039 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-03-10 18:39:09,244 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2021-03-10 18:39:09,443 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2021-03-10 18:39:09,616 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:39:09,828 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:39:10,025 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:39:10,265 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-03-10 18:39:10,473 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-03-10 18:39:10,731 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-03-10 18:39:10,949 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-03-10 18:39:11,182 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-03-10 18:39:11,424 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:39:11,635 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:39:11,910 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:39:12,133 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:39:12,401 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-03-10 18:39:12,622 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:39:12,853 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:39:13,185 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:39:13,491 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:39:13,721 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:39:13,990 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:39:14,305 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:39:14,536 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:39:14,850 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:39:15,257 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 89 [2021-03-10 18:39:15,725 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-03-10 18:39:16,522 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-03-10 18:39:18,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:18,310 INFO L93 Difference]: Finished difference Result 211716 states and 653013 transitions. [2021-03-10 18:39:18,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-10 18:39:18,311 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:39:18,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:18,693 INFO L225 Difference]: With dead ends: 211716 [2021-03-10 18:39:18,693 INFO L226 Difference]: Without dead ends: 211716 [2021-03-10 18:39:18,693 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 9782.6ms TimeCoverageRelationStatistics Valid=2028, Invalid=5628, Unknown=0, NotChecked=0, Total=7656 [2021-03-10 18:39:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211716 states. [2021-03-10 18:39:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211716 to 142422. [2021-03-10 18:39:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142422 states, 142418 states have (on average 3.0854526815430634) internal successors, (439424), 142421 states have internal predecessors, (439424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142422 states to 142422 states and 439424 transitions. [2021-03-10 18:39:22,580 INFO L78 Accepts]: Start accepts. Automaton has 142422 states and 439424 transitions. Word has length 98 [2021-03-10 18:39:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:22,580 INFO L480 AbstractCegarLoop]: Abstraction has 142422 states and 439424 transitions. [2021-03-10 18:39:22,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 142422 states and 439424 transitions. [2021-03-10 18:39:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:39:22,703 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:22,703 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:39:22,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-10 18:39:22,703 INFO L428 AbstractCegarLoop]: === Iteration 41 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:22,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:22,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1531855334, now seen corresponding path program 38 times [2021-03-10 18:39:22,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:22,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807179098] [2021-03-10 18:39:22,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:23,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807179098] [2021-03-10 18:39:23,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:23,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:39:23,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740574834] [2021-03-10 18:39:23,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:39:23,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:23,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:39:23,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=737, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:39:23,554 INFO L87 Difference]: Start difference. First operand 142422 states and 439424 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:25,564 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-03-10 18:39:25,700 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-03-10 18:39:25,896 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-03-10 18:39:26,051 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-03-10 18:39:26,192 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-03-10 18:39:26,407 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-03-10 18:39:26,575 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-03-10 18:39:26,870 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-03-10 18:39:27,103 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:39:27,281 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-03-10 18:39:27,418 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 59 [2021-03-10 18:39:27,662 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-03-10 18:39:27,818 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-03-10 18:39:28,029 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-03-10 18:39:28,182 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-03-10 18:39:28,388 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:39:28,560 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-03-10 18:39:28,801 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-03-10 18:39:29,005 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-03-10 18:39:29,265 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 74 [2021-03-10 18:39:29,475 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 72 [2021-03-10 18:39:29,768 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77 [2021-03-10 18:39:29,994 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 76 [2021-03-10 18:39:30,253 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:39:30,491 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 78 [2021-03-10 18:39:30,707 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-03-10 18:39:31,015 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 81 [2021-03-10 18:39:31,249 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 81 [2021-03-10 18:39:31,555 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-03-10 18:39:31,784 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 75 [2021-03-10 18:39:32,030 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-03-10 18:39:32,427 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 86 [2021-03-10 18:39:32,770 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-03-10 18:39:33,004 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-03-10 18:39:33,341 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:39:33,688 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:39:33,959 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2021-03-10 18:39:34,359 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-03-10 18:39:34,820 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 96 [2021-03-10 18:39:35,257 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-03-10 18:39:35,833 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2021-03-10 18:39:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:37,500 INFO L93 Difference]: Finished difference Result 208009 states and 641478 transitions. [2021-03-10 18:39:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-10 18:39:37,501 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:39:37,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:37,844 INFO L225 Difference]: With dead ends: 208009 [2021-03-10 18:39:37,845 INFO L226 Difference]: Without dead ends: 208009 [2021-03-10 18:39:37,845 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 10233.8ms TimeCoverageRelationStatistics Valid=2146, Invalid=5164, Unknown=0, NotChecked=0, Total=7310 [2021-03-10 18:39:39,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208009 states. [2021-03-10 18:39:40,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208009 to 147265. [2021-03-10 18:39:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147265 states, 147261 states have (on average 3.087307569553378) internal successors, (454640), 147264 states have internal predecessors, (454640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:41,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147265 states to 147265 states and 454640 transitions. [2021-03-10 18:39:41,482 INFO L78 Accepts]: Start accepts. Automaton has 147265 states and 454640 transitions. Word has length 98 [2021-03-10 18:39:41,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:41,482 INFO L480 AbstractCegarLoop]: Abstraction has 147265 states and 454640 transitions. [2021-03-10 18:39:41,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 147265 states and 454640 transitions. [2021-03-10 18:39:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:39:41,610 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:41,610 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:39:41,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-10 18:39:41,610 INFO L428 AbstractCegarLoop]: === Iteration 42 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:41,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:41,611 INFO L82 PathProgramCache]: Analyzing trace with hash 474204704, now seen corresponding path program 39 times [2021-03-10 18:39:41,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:41,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618299149] [2021-03-10 18:39:41,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:42,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618299149] [2021-03-10 18:39:42,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:42,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:39:42,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504127624] [2021-03-10 18:39:42,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:39:42,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:42,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:39:42,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:39:42,705 INFO L87 Difference]: Start difference. First operand 147265 states and 454640 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:44,161 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2021-03-10 18:39:44,373 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-10 18:39:44,690 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:39:44,905 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-03-10 18:39:45,134 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:39:45,601 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-03-10 18:39:45,814 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2021-03-10 18:39:46,041 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-03-10 18:39:46,235 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:39:46,448 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:39:46,701 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-03-10 18:39:46,908 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-03-10 18:39:47,178 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:39:47,455 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-03-10 18:39:47,665 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-03-10 18:39:47,938 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-03-10 18:39:48,261 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-03-10 18:39:48,636 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 89 [2021-03-10 18:39:48,918 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-03-10 18:39:49,319 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-03-10 18:39:51,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:51,790 INFO L93 Difference]: Finished difference Result 200406 states and 618278 transitions. [2021-03-10 18:39:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-10 18:39:51,791 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:39:51,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:52,115 INFO L225 Difference]: With dead ends: 200406 [2021-03-10 18:39:52,116 INFO L226 Difference]: Without dead ends: 200406 [2021-03-10 18:39:52,116 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 6333.9ms TimeCoverageRelationStatistics Valid=1280, Invalid=3690, Unknown=0, NotChecked=0, Total=4970 [2021-03-10 18:39:53,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200406 states. [2021-03-10 18:39:55,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200406 to 148309. [2021-03-10 18:39:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148309 states, 148305 states have (on average 3.0879066788038165) internal successors, (457952), 148308 states have internal predecessors, (457952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148309 states to 148309 states and 457952 transitions. [2021-03-10 18:39:55,784 INFO L78 Accepts]: Start accepts. Automaton has 148309 states and 457952 transitions. Word has length 98 [2021-03-10 18:39:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:55,784 INFO L480 AbstractCegarLoop]: Abstraction has 148309 states and 457952 transitions. [2021-03-10 18:39:55,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 148309 states and 457952 transitions. [2021-03-10 18:39:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:39:55,902 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:55,902 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:39:55,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-10 18:39:55,902 INFO L428 AbstractCegarLoop]: === Iteration 43 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:55,903 INFO L82 PathProgramCache]: Analyzing trace with hash -376795566, now seen corresponding path program 40 times [2021-03-10 18:39:55,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:55,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594069122] [2021-03-10 18:39:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:56,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594069122] [2021-03-10 18:39:56,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:56,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:39:56,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378330208] [2021-03-10 18:39:56,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:39:56,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:56,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:39:56,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:39:56,558 INFO L87 Difference]: Start difference. First operand 148309 states and 457952 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:58,234 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2021-03-10 18:39:58,434 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2021-03-10 18:39:58,723 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2021-03-10 18:39:58,929 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-03-10 18:39:59,147 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2021-03-10 18:39:59,376 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:39:59,576 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-03-10 18:39:59,772 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:39:59,977 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-03-10 18:40:00,172 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:40:00,526 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:40:00,736 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:40:00,987 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-03-10 18:40:01,208 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-03-10 18:40:01,455 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:40:01,689 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-03-10 18:40:01,906 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-03-10 18:40:02,197 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-03-10 18:40:02,425 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-03-10 18:40:02,702 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-03-10 18:40:02,924 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-03-10 18:40:03,159 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-03-10 18:40:03,510 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:40:03,832 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:40:04,068 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-03-10 18:40:04,429 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:40:04,666 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:40:04,962 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-03-10 18:40:05,370 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 89 [2021-03-10 18:40:07,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:07,883 INFO L93 Difference]: Finished difference Result 207337 states and 639861 transitions. [2021-03-10 18:40:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-10 18:40:07,884 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:40:07,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:08,232 INFO L225 Difference]: With dead ends: 207337 [2021-03-10 18:40:08,232 INFO L226 Difference]: Without dead ends: 207337 [2021-03-10 18:40:08,232 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 7968.1ms TimeCoverageRelationStatistics Valid=1647, Invalid=4673, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:40:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207337 states. [2021-03-10 18:40:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207337 to 148628. [2021-03-10 18:40:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148628 states, 148624 states have (on average 3.087987135321348) internal successors, (458949), 148627 states have internal predecessors, (458949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148628 states to 148628 states and 458949 transitions. [2021-03-10 18:40:11,894 INFO L78 Accepts]: Start accepts. Automaton has 148628 states and 458949 transitions. Word has length 98 [2021-03-10 18:40:11,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:40:11,894 INFO L480 AbstractCegarLoop]: Abstraction has 148628 states and 458949 transitions. [2021-03-10 18:40:11,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 148628 states and 458949 transitions. [2021-03-10 18:40:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:40:12,022 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:40:12,022 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:40:12,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-10 18:40:12,022 INFO L428 AbstractCegarLoop]: === Iteration 44 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:40:12,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:40:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1846532102, now seen corresponding path program 41 times [2021-03-10 18:40:12,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:40:12,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242764320] [2021-03-10 18:40:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:40:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:13,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242764320] [2021-03-10 18:40:13,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:13,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:40:13,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106931049] [2021-03-10 18:40:13,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:40:13,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:13,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:40:13,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:40:13,131 INFO L87 Difference]: Start difference. First operand 148628 states and 458949 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:14,730 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2021-03-10 18:40:15,031 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2021-03-10 18:40:15,246 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-03-10 18:40:15,467 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2021-03-10 18:40:15,703 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-03-10 18:40:16,074 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-03-10 18:40:16,275 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:40:16,488 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-03-10 18:40:16,693 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:40:16,922 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:40:17,130 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:40:17,386 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-03-10 18:40:17,603 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-03-10 18:40:17,845 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:40:18,070 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-03-10 18:40:18,278 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-03-10 18:40:18,559 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:40:18,793 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-03-10 18:40:19,060 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-03-10 18:40:19,279 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-03-10 18:40:19,509 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:40:19,843 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-03-10 18:40:20,159 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:40:20,388 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-03-10 18:40:20,660 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-03-10 18:40:20,950 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:40:21,181 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-03-10 18:40:21,510 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:40:21,917 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-03-10 18:40:22,401 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:40:23,177 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 90 [2021-03-10 18:40:25,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:25,004 INFO L93 Difference]: Finished difference Result 208613 states and 643733 transitions. [2021-03-10 18:40:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-03-10 18:40:25,005 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:40:25,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:25,334 INFO L225 Difference]: With dead ends: 208613 [2021-03-10 18:40:25,334 INFO L226 Difference]: Without dead ends: 208613 [2021-03-10 18:40:25,335 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 8873.7ms TimeCoverageRelationStatistics Valid=1797, Invalid=5009, Unknown=0, NotChecked=0, Total=6806 [2021-03-10 18:40:26,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208613 states. [2021-03-10 18:40:28,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208613 to 148657. [2021-03-10 18:40:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148657 states, 148653 states have (on average 3.087976697409403) internal successors, (459037), 148656 states have internal predecessors, (459037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148657 states to 148657 states and 459037 transitions. [2021-03-10 18:40:29,116 INFO L78 Accepts]: Start accepts. Automaton has 148657 states and 459037 transitions. Word has length 98 [2021-03-10 18:40:29,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:40:29,116 INFO L480 AbstractCegarLoop]: Abstraction has 148657 states and 459037 transitions. [2021-03-10 18:40:29,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 148657 states and 459037 transitions. [2021-03-10 18:40:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:40:29,241 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:40:29,241 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:40:29,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-10 18:40:29,241 INFO L428 AbstractCegarLoop]: === Iteration 45 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:40:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:40:29,242 INFO L82 PathProgramCache]: Analyzing trace with hash -972232346, now seen corresponding path program 42 times [2021-03-10 18:40:29,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:40:29,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099266717] [2021-03-10 18:40:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:40:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:30,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099266717] [2021-03-10 18:40:30,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:30,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:40:30,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578666631] [2021-03-10 18:40:30,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:40:30,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:30,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:40:30,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:40:30,120 INFO L87 Difference]: Start difference. First operand 148657 states and 459037 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:31,930 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-03-10 18:40:32,282 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2021-03-10 18:40:32,420 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-03-10 18:40:32,614 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-03-10 18:40:32,766 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:40:32,914 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-03-10 18:40:33,142 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:40:33,305 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-03-10 18:40:33,460 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-03-10 18:40:33,694 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:40:33,996 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-03-10 18:40:34,136 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 59 [2021-03-10 18:40:34,385 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:40:34,545 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-03-10 18:40:34,756 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:40:34,911 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-03-10 18:40:35,118 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-03-10 18:40:35,296 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:40:35,537 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2021-03-10 18:40:35,738 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-10 18:40:35,997 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:40:36,207 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-03-10 18:40:36,482 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-03-10 18:40:36,722 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-03-10 18:40:36,973 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-03-10 18:40:37,210 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:40:37,430 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-03-10 18:40:37,740 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2021-03-10 18:40:37,974 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-03-10 18:40:38,284 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-03-10 18:40:38,513 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-03-10 18:40:38,759 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:40:39,140 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-03-10 18:40:39,509 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-03-10 18:40:39,746 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-03-10 18:40:40,087 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:40:40,433 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:40:40,713 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:40:41,135 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:40:41,602 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2021-03-10 18:40:42,021 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2021-03-10 18:40:42,638 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-03-10 18:40:44,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:44,314 INFO L93 Difference]: Finished difference Result 202638 states and 625108 transitions. [2021-03-10 18:40:44,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-10 18:40:44,315 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:40:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:44,661 INFO L225 Difference]: With dead ends: 202638 [2021-03-10 18:40:44,661 INFO L226 Difference]: Without dead ends: 202638 [2021-03-10 18:40:44,662 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 10457.9ms TimeCoverageRelationStatistics Valid=2198, Invalid=5284, Unknown=0, NotChecked=0, Total=7482 [2021-03-10 18:40:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202638 states. [2021-03-10 18:40:47,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202638 to 147700. [2021-03-10 18:40:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147700 states, 147696 states have (on average 3.0876191636875743) internal successors, (456029), 147699 states have internal predecessors, (456029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147700 states to 147700 states and 456029 transitions. [2021-03-10 18:40:48,190 INFO L78 Accepts]: Start accepts. Automaton has 147700 states and 456029 transitions. Word has length 98 [2021-03-10 18:40:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:40:48,190 INFO L480 AbstractCegarLoop]: Abstraction has 147700 states and 456029 transitions. [2021-03-10 18:40:48,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 147700 states and 456029 transitions. [2021-03-10 18:40:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:40:48,308 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:40:48,308 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:40:48,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-10 18:40:48,308 INFO L428 AbstractCegarLoop]: === Iteration 46 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:40:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:40:48,308 INFO L82 PathProgramCache]: Analyzing trace with hash -586030528, now seen corresponding path program 43 times [2021-03-10 18:40:48,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:40:48,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133767017] [2021-03-10 18:40:48,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:40:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:49,055 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-03-10 18:40:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:49,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133767017] [2021-03-10 18:40:49,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:49,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:40:49,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095191224] [2021-03-10 18:40:49,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:40:49,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:49,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:40:49,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:40:49,392 INFO L87 Difference]: Start difference. First operand 147700 states and 456029 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:50,816 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2021-03-10 18:40:51,025 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2021-03-10 18:40:51,431 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:40:51,690 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-03-10 18:40:51,931 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:40:52,439 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-03-10 18:40:52,696 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:40:52,971 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:40:53,267 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2021-03-10 18:40:53,523 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-03-10 18:40:53,751 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-03-10 18:40:53,980 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:40:54,259 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-03-10 18:40:54,498 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:40:54,754 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-03-10 18:40:55,054 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-03-10 18:40:55,319 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-03-10 18:40:55,785 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-03-10 18:40:56,252 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-03-10 18:40:56,653 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-03-10 18:40:57,241 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-03-10 18:40:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:58,922 INFO L93 Difference]: Finished difference Result 200381 states and 618847 transitions. [2021-03-10 18:40:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-10 18:40:58,923 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:40:58,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:59,262 INFO L225 Difference]: With dead ends: 200381 [2021-03-10 18:40:59,262 INFO L226 Difference]: Without dead ends: 200381 [2021-03-10 18:40:59,263 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 6886.1ms TimeCoverageRelationStatistics Valid=1275, Invalid=3837, Unknown=0, NotChecked=0, Total=5112 [2021-03-10 18:41:00,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200381 states. [2021-03-10 18:41:02,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200381 to 148831. [2021-03-10 18:41:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148831 states, 148827 states have (on average 3.088189643008325) internal successors, (459606), 148830 states have internal predecessors, (459606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148831 states to 148831 states and 459606 transitions. [2021-03-10 18:41:03,059 INFO L78 Accepts]: Start accepts. Automaton has 148831 states and 459606 transitions. Word has length 98 [2021-03-10 18:41:03,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:41:03,059 INFO L480 AbstractCegarLoop]: Abstraction has 148831 states and 459606 transitions. [2021-03-10 18:41:03,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 148831 states and 459606 transitions. [2021-03-10 18:41:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:41:03,179 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:41:03,179 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:41:03,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-10 18:41:03,180 INFO L428 AbstractCegarLoop]: === Iteration 47 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:41:03,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:41:03,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1637297140, now seen corresponding path program 44 times [2021-03-10 18:41:03,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:41:03,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525862168] [2021-03-10 18:41:03,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:41:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:41:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:41:03,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525862168] [2021-03-10 18:41:03,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:41:03,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:41:03,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460834702] [2021-03-10 18:41:03,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:41:03,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:41:03,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:41:03,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:41:03,838 INFO L87 Difference]: Start difference. First operand 148831 states and 459606 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:05,601 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2021-03-10 18:41:05,809 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2021-03-10 18:41:06,212 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-03-10 18:41:06,472 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-03-10 18:41:06,715 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:41:06,949 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:41:07,203 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-03-10 18:41:07,464 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:41:07,845 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-03-10 18:41:08,106 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-03-10 18:41:08,346 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-03-10 18:41:08,622 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2021-03-10 18:41:08,853 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-03-10 18:41:09,171 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-03-10 18:41:09,455 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:41:09,692 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 84 [2021-03-10 18:41:09,928 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-03-10 18:41:10,194 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2021-03-10 18:41:10,476 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:41:10,752 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 84 [2021-03-10 18:41:11,144 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-03-10 18:41:11,623 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-03-10 18:41:12,387 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-03-10 18:41:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:41:14,130 INFO L93 Difference]: Finished difference Result 200555 states and 618824 transitions. [2021-03-10 18:41:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:41:14,132 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:41:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:41:14,459 INFO L225 Difference]: With dead ends: 200555 [2021-03-10 18:41:14,459 INFO L226 Difference]: Without dead ends: 200555 [2021-03-10 18:41:14,460 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 7303.9ms TimeCoverageRelationStatistics Valid=1363, Invalid=4039, Unknown=0, NotChecked=0, Total=5402 [2021-03-10 18:41:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200555 states. [2021-03-10 18:41:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200555 to 149208. [2021-03-10 18:41:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149208 states, 149204 states have (on average 3.088053939572666) internal successors, (460750), 149207 states have internal predecessors, (460750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149208 states to 149208 states and 460750 transitions. [2021-03-10 18:41:18,175 INFO L78 Accepts]: Start accepts. Automaton has 149208 states and 460750 transitions. Word has length 98 [2021-03-10 18:41:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:41:18,175 INFO L480 AbstractCegarLoop]: Abstraction has 149208 states and 460750 transitions. [2021-03-10 18:41:18,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 149208 states and 460750 transitions. [2021-03-10 18:41:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-03-10 18:41:18,296 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:41:18,296 INFO L519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-10 18:41:18,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-10 18:41:18,296 INFO L428 AbstractCegarLoop]: === Iteration 48 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:41:18,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:41:18,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1181467308, now seen corresponding path program 45 times [2021-03-10 18:41:18,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:41:18,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47466218] [2021-03-10 18:41:18,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:41:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:41:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:41:19,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47466218] [2021-03-10 18:41:19,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:41:19,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-03-10 18:41:19,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701829634] [2021-03-10 18:41:19,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-10 18:41:19,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:41:19,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-10 18:41:19,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=741, Unknown=0, NotChecked=0, Total=812 [2021-03-10 18:41:19,221 INFO L87 Difference]: Start difference. First operand 149208 states and 460750 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:19,961 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2021-03-10 18:41:20,973 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2021-03-10 18:41:21,182 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2021-03-10 18:41:21,564 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2021-03-10 18:41:21,706 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-03-10 18:41:21,913 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2021-03-10 18:41:22,067 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-03-10 18:41:22,222 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-03-10 18:41:22,444 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-03-10 18:41:22,614 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-03-10 18:41:22,911 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2021-03-10 18:41:23,156 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-03-10 18:41:23,339 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-03-10 18:41:23,481 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-03-10 18:41:23,644 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2021-03-10 18:41:23,899 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-03-10 18:41:24,062 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-03-10 18:41:24,294 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-03-10 18:41:24,452 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-03-10 18:41:24,647 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-03-10 18:41:24,857 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 69 [2021-03-10 18:41:25,035 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:41:25,294 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:41:25,503 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-03-10 18:41:25,716 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-03-10 18:41:25,991 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-03-10 18:41:26,220 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:41:26,510 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-03-10 18:41:26,748 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-03-10 18:41:27,019 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:41:27,274 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 86 [2021-03-10 18:41:27,497 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:41:27,832 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2021-03-10 18:41:28,072 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-03-10 18:41:28,378 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:41:28,642 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:41:28,898 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:41:29,282 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 94 [2021-03-10 18:41:29,657 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-03-10 18:41:29,901 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-03-10 18:41:30,254 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-03-10 18:41:30,619 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 91 [2021-03-10 18:41:30,917 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 94 [2021-03-10 18:41:31,382 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:41:31,843 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 101 [2021-03-10 18:41:32,280 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-03-10 18:41:32,832 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2021-03-10 18:41:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:41:34,995 INFO L93 Difference]: Finished difference Result 192349 states and 592965 transitions. [2021-03-10 18:41:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-03-10 18:41:34,996 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-03-10 18:41:34,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:41:35,278 INFO L225 Difference]: With dead ends: 192349 [2021-03-10 18:41:35,278 INFO L226 Difference]: Without dead ends: 192349 [2021-03-10 18:41:35,279 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 11712.0ms TimeCoverageRelationStatistics Valid=2318, Invalid=5692, Unknown=0, NotChecked=0, Total=8010 Received shutdown request... [2021-03-10 18:41:36,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192349 states. [2021-03-10 18:41:36,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-10 18:41:36,536 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-10 18:41:36,539 WARN L224 ceAbstractionStarter]: Timeout [2021-03-10 18:41:36,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 06:41:36 BasicIcfg [2021-03-10 18:41:36,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 18:41:36,539 INFO L168 Benchmark]: Toolchain (without parser) took 714181.03 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 236.7 MB in the beginning and 12.9 GB in the end (delta: -12.7 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. [2021-03-10 18:41:36,539 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 18:41:36,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.89 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 236.3 MB in the beginning and 370.5 MB in the end (delta: -134.3 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.0 GB. [2021-03-10 18:41:36,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.85 ms. Allocated memory is still 390.1 MB. Free memory was 370.5 MB in the beginning and 368.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 18:41:36,540 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 ms. Allocated memory is still 390.1 MB. Free memory was 368.1 MB in the beginning and 366.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 18:41:36,540 INFO L168 Benchmark]: RCFGBuilder took 551.78 ms. Allocated memory is still 390.1 MB. Free memory was 366.0 MB in the beginning and 323.2 MB in the end (delta: 42.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. [2021-03-10 18:41:36,540 INFO L168 Benchmark]: TraceAbstraction took 713043.28 ms. Allocated memory was 390.1 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 322.4 MB in the beginning and 12.9 GB in the end (delta: -12.6 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. [2021-03-10 18:41:36,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 508.89 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 236.3 MB in the beginning and 370.5 MB in the end (delta: -134.3 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.85 ms. Allocated memory is still 390.1 MB. Free memory was 370.5 MB in the beginning and 368.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.03 ms. Allocated memory is still 390.1 MB. Free memory was 368.1 MB in the beginning and 366.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 551.78 ms. Allocated memory is still 390.1 MB. Free memory was 366.0 MB in the beginning and 323.2 MB in the end (delta: 42.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 713043.28 ms. Allocated memory was 390.1 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 322.4 MB in the beginning and 12.9 GB in the end (delta: -12.6 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1060]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1060). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1065). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1064). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1061). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 194 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 712911.3ms, OverallIterations: 48, TraceHistogramMax: 1, EmptinessCheckTime: 7600.6ms, AutomataDifference: 487534.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6722.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47871 SDtfs, 130129 SDslu, 503814 SDs, 0 SdLazy, 224495 SolverSat, 3712 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92293.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3573 GetRequests, 131 SyntacticMatches, 13 SemanticMatches, 3429 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37996 ImplicationChecksByTransitivity, 340608.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=152746occurred in iteration=36, InterpolantAutomatonStates: 2356, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 172134.2ms AutomataMinimizationTime, 48 MinimizatonAttempts, 1939816 StatesRemovedByMinimization, 47 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 103.4ms SsaConstructionTime, 696.8ms SatisfiabilityAnalysisTime, 37582.0ms InterpolantComputationTime, 4648 NumberOfCodeBlocks, 4648 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 4600 ConstructedInterpolants, 0 QuantifiedInterpolants, 82251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 48 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