/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-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 20:23:11,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 20:23:11,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 20:23:11,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 20:23:11,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 20:23:11,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 20:23:11,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 20:23:11,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 20:23:11,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 20:23:11,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 20:23:11,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 20:23:11,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 20:23:11,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 20:23:11,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 20:23:11,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 20:23:11,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 20:23:11,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 20:23:11,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 20:23:11,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 20:23:11,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 20:23:11,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 20:23:11,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 20:23:11,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 20:23:11,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 20:23:11,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 20:23:11,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 20:23:11,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 20:23:11,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 20:23:11,283 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 [2021-06-05 20:23:11,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 20:23:11,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 20:23:11,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 20:23:11,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 20:23:11,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 20:23:11,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 20:23:11,329 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 20:23:11,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 20:23:11,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 20:23:11,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 20:23:11,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 20:23:11,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 20:23:11,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 20:23:11,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 20:23:11,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 20:23:11,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 20:23:11,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 20:23:11,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 20:23:11,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 20:23:11,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 20:23:11,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 20:23:11,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 20:23:11,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 20:23:11,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:23:11,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 20:23:11,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 20:23:11,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 20:23:11,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 20:23:11,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 20:23:11,333 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 20:23:11,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 20:23:11,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 20:23:11,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 20:23:11,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 20:23:11,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 20:23:11,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 20:23:11,669 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 20:23:11,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-06-05 20:23:11,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafb30368/5584178297a6423da53ef7cb08795024/FLAG9397c1e38 [2021-06-05 20:23:12,152 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 20:23:12,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-06-05 20:23:12,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafb30368/5584178297a6423da53ef7cb08795024/FLAG9397c1e38 [2021-06-05 20:23:12,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafb30368/5584178297a6423da53ef7cb08795024 [2021-06-05 20:23:12,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 20:23:12,462 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 20:23:12,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 20:23:12,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 20:23:12,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 20:23:12,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:23:12" (1/1) ... [2021-06-05 20:23:12,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8494f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:12, skipping insertion in model container [2021-06-05 20:23:12,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:23:12" (1/1) ... [2021-06-05 20:23:12,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 20:23:12,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 20:23:12,657 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 20:23:12,932 WARN L224 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-2.i[39095,39108] [2021-06-05 20:23:12,937 WARN L224 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-2.i[39180,39193] [2021-06-05 20:23:12,938 WARN L224 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-2.i[39232,39245] [2021-06-05 20:23:13,019 WARN L224 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-2.i[49285,49298] [2021-06-05 20:23:13,021 WARN L224 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-2.i[49334,49347] [2021-06-05 20:23:13,023 WARN L224 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-2.i[49462,49475] [2021-06-05 20:23:13,024 WARN L224 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-2.i[49520,49533] [2021-06-05 20:23:13,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:23:13,037 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 20:23:13,053 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 20:23:13,072 WARN L224 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-2.i[39095,39108] [2021-06-05 20:23:13,080 WARN L224 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-2.i[39180,39193] [2021-06-05 20:23:13,081 WARN L224 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-2.i[39232,39245] [2021-06-05 20:23:13,095 WARN L224 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-2.i[49285,49298] [2021-06-05 20:23:13,096 WARN L224 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-2.i[49334,49347] [2021-06-05 20:23:13,104 WARN L224 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-2.i[49462,49475] [2021-06-05 20:23:13,105 WARN L224 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-2.i[49520,49533] [2021-06-05 20:23:13,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:23:13,261 INFO L208 MainTranslator]: Completed translation [2021-06-05 20:23:13,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13 WrapperNode [2021-06-05 20:23:13,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 20:23:13,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 20:23:13,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 20:23:13,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 20:23:13,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 20:23:13,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 20:23:13,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 20:23:13,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 20:23:13,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... [2021-06-05 20:23:13,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 20:23:13,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 20:23:13,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 20:23:13,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 20:23:13,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:23:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-06-05 20:23:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-06-05 20:23:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-06-05 20:23:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-06-05 20:23:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 20:23:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 20:23:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 20:23:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 20:23:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 20:23:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 20:23:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 20:23:13,429 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 20:23:14,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 20:23:14,038 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-06-05 20:23:14,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:23:14 BoogieIcfgContainer [2021-06-05 20:23:14,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 20:23:14,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 20:23:14,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 20:23:14,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 20:23:14,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:23:12" (1/3) ... [2021-06-05 20:23:14,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41128213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:23:14, skipping insertion in model container [2021-06-05 20:23:14,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:23:13" (2/3) ... [2021-06-05 20:23:14,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41128213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:23:14, skipping insertion in model container [2021-06-05 20:23:14,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:23:14" (3/3) ... [2021-06-05 20:23:14,059 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2021-06-05 20:23:14,064 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 20:23:14,065 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 20:23:14,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-06-05 20:23:14,065 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 20:23:14,099 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,100 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,101 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,102 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,103 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,104 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,105 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,106 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,107 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,107 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,107 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,107 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,107 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,107 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,108 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,109 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,110 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,111 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,112 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,113 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,113 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,113 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,116 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,117 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,118 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,119 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,120 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,121 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,122 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,123 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,124 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,125 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,126 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,127 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,128 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,129 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,130 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,130 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,130 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,130 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,130 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,130 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,131 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,132 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,132 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,136 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,136 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,136 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,137 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,137 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,137 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,137 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,137 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,137 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,138 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,158 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,159 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,159 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,159 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,159 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,159 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,159 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,160 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,161 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,161 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,165 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,165 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,165 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,165 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,166 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,167 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,168 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,169 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,170 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,170 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,170 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,170 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,170 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,170 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,171 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,172 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,173 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,174 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,175 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,176 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,186 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,186 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,186 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,186 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,186 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,187 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,188 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,190 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,190 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,190 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,191 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,191 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,191 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,191 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,191 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,191 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,192 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,193 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,193 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,194 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,195 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,196 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,197 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,198 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,199 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,199 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,200 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,202 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,202 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,202 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,202 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,202 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,203 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,203 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,204 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,209 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,209 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,210 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,211 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,211 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,211 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,211 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,211 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,211 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,212 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,213 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,219 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,219 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,219 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,220 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,223 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,224 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,224 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,224 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,224 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,224 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,224 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:23:14,237 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 20:23:14,251 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 20:23:14,264 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:23:14,264 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:23:14,264 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:23:14,264 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:23:14,264 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:23:14,264 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:23:14,265 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:23:14,265 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader_two======== [2021-06-05 20:23:14,276 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 206 transitions, 434 flow [2021-06-05 20:23:20,656 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:21,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:23:21,326 INFO L301 ceAbstractionStarter]: Result for error location reader_two was SAFE (1/3) [2021-06-05 20:23:21,330 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 20:23:21,342 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:23:21,342 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:23:21,342 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:23:21,342 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:23:21,342 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:23:21,342 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:23:21,342 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:23:21,342 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:23:21,346 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 206 transitions, 434 flow [2021-06-05 20:23:27,327 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:27,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:23:27,655 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-05 20:23:27,655 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 20:23:27,656 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:23:27,656 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:23:27,656 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:23:27,656 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:23:27,656 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:23:27,656 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:23:27,656 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:23:27,657 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader_twoThread1of1ForFork1======== [2021-06-05 20:23:27,660 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 206 transitions, 434 flow [2021-06-05 20:23:33,611 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-05 20:23:33,735 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:33,736 INFO L554 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] [2021-06-05 20:23:33,736 INFO L430 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:33,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:33,740 INFO L82 PathProgramCache]: Analyzing trace with hash -616894537, now seen corresponding path program 1 times [2021-06-05 20:23:33,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:33,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38015437] [2021-06-05 20:23:33,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:34,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:34,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38015437] [2021-06-05 20:23:34,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38015437] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:34,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:34,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 20:23:34,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329186623] [2021-06-05 20:23:34,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 20:23:34,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:34,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 20:23:34,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-06-05 20:23:34,720 INFO L87 Difference]: Start difference. First operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 0 states have call successors, (0), 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 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:36,095 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-05 20:23:36,406 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-06-05 20:23:36,945 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-06-05 20:23:37,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:23:37,995 INFO L93 Difference]: Finished difference Result 88672 states and 272853 transitions. [2021-06-05 20:23:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 20:23:37,997 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2021-06-05 20:23:37,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:23:38,342 INFO L225 Difference]: With dead ends: 88672 [2021-06-05 20:23:38,342 INFO L226 Difference]: Without dead ends: 78950 [2021-06-05 20:23:38,343 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 2084.5ms TimeCoverageRelationStatistics Valid=452, Invalid=1270, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 20:23:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78950 states. [2021-06-05 20:23:41,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78950 to 75134. [2021-06-05 20:23:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75134 states, 75130 states have (on average 3.0838679621988554) internal successors, (231691), 75133 states have internal predecessors, (231691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75134 states to 75134 states and 231691 transitions. [2021-06-05 20:23:41,643 INFO L78 Accepts]: Start accepts. Automaton has 75134 states and 231691 transitions. Word has length 74 [2021-06-05 20:23:41,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:23:41,643 INFO L482 AbstractCegarLoop]: Abstraction has 75134 states and 231691 transitions. [2021-06-05 20:23:41,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 75134 states and 231691 transitions. [2021-06-05 20:23:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-06-05 20:23:41,708 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:41,709 INFO L554 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] [2021-06-05 20:23:41,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 20:23:41,709 INFO L430 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:41,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:41,710 INFO L82 PathProgramCache]: Analyzing trace with hash -375204171, now seen corresponding path program 1 times [2021-06-05 20:23:41,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:41,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624299617] [2021-06-05 20:23:41,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:42,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:42,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624299617] [2021-06-05 20:23:42,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624299617] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:42,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:42,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 20:23:42,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531019900] [2021-06-05 20:23:42,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 20:23:42,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:42,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 20:23:42,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-06-05 20:23:42,208 INFO L87 Difference]: Start difference. First operand 75134 states and 231691 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:43,345 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-06-05 20:23:43,523 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-06-05 20:23:43,666 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-05 20:23:43,960 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-06-05 20:23:44,136 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-05 20:23:44,476 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-05 20:23:44,914 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-06-05 20:23:45,135 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-05 20:23:45,382 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-06-05 20:23:46,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:23:46,801 INFO L93 Difference]: Finished difference Result 119116 states and 367546 transitions. [2021-06-05 20:23:46,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 20:23:46,801 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2021-06-05 20:23:46,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:23:47,147 INFO L225 Difference]: With dead ends: 119116 [2021-06-05 20:23:47,147 INFO L226 Difference]: Without dead ends: 118255 [2021-06-05 20:23:47,148 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 2497.2ms TimeCoverageRelationStatistics Valid=570, Invalid=1500, Unknown=0, NotChecked=0, Total=2070 [2021-06-05 20:23:48,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118255 states. [2021-06-05 20:23:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118255 to 94985. [2021-06-05 20:23:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94985 states, 94981 states have (on average 3.090239100451669) internal successors, (293514), 94984 states have internal predecessors, (293514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94985 states to 94985 states and 293514 transitions. [2021-06-05 20:23:50,351 INFO L78 Accepts]: Start accepts. Automaton has 94985 states and 293514 transitions. Word has length 79 [2021-06-05 20:23:50,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:23:50,351 INFO L482 AbstractCegarLoop]: Abstraction has 94985 states and 293514 transitions. [2021-06-05 20:23:50,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 94985 states and 293514 transitions. [2021-06-05 20:23:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-06-05 20:23:50,399 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:50,399 INFO L554 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] [2021-06-05 20:23:50,399 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 20:23:50,399 INFO L430 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:50,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:50,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2039197587, now seen corresponding path program 2 times [2021-06-05 20:23:50,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:50,400 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423983676] [2021-06-05 20:23:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:50,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:50,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423983676] [2021-06-05 20:23:50,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423983676] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:50,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:50,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 20:23:50,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992605315] [2021-06-05 20:23:50,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 20:23:50,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:50,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 20:23:50,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-06-05 20:23:50,913 INFO L87 Difference]: Start difference. First operand 94985 states and 293514 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:52,086 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-06-05 20:23:52,269 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:23:52,438 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-06-05 20:23:52,640 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2021-06-05 20:23:52,855 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2021-06-05 20:23:53,083 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:23:53,474 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-06-05 20:23:54,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:23:54,463 INFO L93 Difference]: Finished difference Result 107868 states and 332574 transitions. [2021-06-05 20:23:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 20:23:54,464 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2021-06-05 20:23:54,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:23:54,665 INFO L225 Difference]: With dead ends: 107868 [2021-06-05 20:23:54,666 INFO L226 Difference]: Without dead ends: 107616 [2021-06-05 20:23:54,666 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2529.6ms TimeCoverageRelationStatistics Valid=391, Invalid=1091, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 20:23:55,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107616 states. [2021-06-05 20:23:56,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107616 to 91078. [2021-06-05 20:23:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91078 states, 91074 states have (on average 3.086534027274524) internal successors, (281103), 91077 states have internal predecessors, (281103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91078 states to 91078 states and 281103 transitions. [2021-06-05 20:23:57,229 INFO L78 Accepts]: Start accepts. Automaton has 91078 states and 281103 transitions. Word has length 79 [2021-06-05 20:23:57,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:23:57,229 INFO L482 AbstractCegarLoop]: Abstraction has 91078 states and 281103 transitions. [2021-06-05 20:23:57,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:57,229 INFO L276 IsEmpty]: Start isEmpty. Operand 91078 states and 281103 transitions. [2021-06-05 20:23:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:23:57,295 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:23:57,295 INFO L554 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] [2021-06-05 20:23:57,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 20:23:57,295 INFO L430 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:23:57,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:23:57,296 INFO L82 PathProgramCache]: Analyzing trace with hash 293756579, now seen corresponding path program 1 times [2021-06-05 20:23:57,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:23:57,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343892547] [2021-06-05 20:23:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:23:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:23:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:23:58,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:23:58,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343892547] [2021-06-05 20:23:58,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343892547] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:23:58,043 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:23:58,043 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-05 20:23:58,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832925506] [2021-06-05 20:23:58,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 20:23:58,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:23:58,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 20:23:58,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-06-05 20:23:58,045 INFO L87 Difference]: Start difference. First operand 91078 states and 281103 transitions. Second operand has 28 states, 28 states have (on average 3.392857142857143) internal successors, (95), 28 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:23:59,544 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:23:59,750 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:24:00,443 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-06-05 20:24:00,892 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:24:01,104 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 20:24:01,329 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 20:24:01,569 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-06-05 20:24:01,805 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:24:02,121 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:24:02,356 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 20:24:02,590 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-06-05 20:24:02,872 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-05 20:24:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:24:03,991 INFO L93 Difference]: Finished difference Result 122310 states and 377413 transitions. [2021-06-05 20:24:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-05 20:24:03,992 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.392857142857143) internal successors, (95), 28 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:24:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:24:04,188 INFO L225 Difference]: With dead ends: 122310 [2021-06-05 20:24:04,189 INFO L226 Difference]: Without dead ends: 122310 [2021-06-05 20:24:04,189 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 4281.9ms TimeCoverageRelationStatistics Valid=777, Invalid=2193, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 20:24:05,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122310 states. [2021-06-05 20:24:06,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122310 to 105218. [2021-06-05 20:24:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105218 states, 105214 states have (on average 3.0934476400479025) internal successors, (325474), 105217 states have internal predecessors, (325474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105218 states to 105218 states and 325474 transitions. [2021-06-05 20:24:07,007 INFO L78 Accepts]: Start accepts. Automaton has 105218 states and 325474 transitions. Word has length 95 [2021-06-05 20:24:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:24:07,008 INFO L482 AbstractCegarLoop]: Abstraction has 105218 states and 325474 transitions. [2021-06-05 20:24:07,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.392857142857143) internal successors, (95), 28 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 105218 states and 325474 transitions. [2021-06-05 20:24:07,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:24:07,100 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:24:07,100 INFO L554 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] [2021-06-05 20:24:07,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 20:24:07,100 INFO L430 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:24:07,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:24:07,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1120374343, now seen corresponding path program 2 times [2021-06-05 20:24:07,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:24:07,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656527973] [2021-06-05 20:24:07,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:24:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:24:08,272 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 3 [2021-06-05 20:24:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:24:08,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:24:08,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656527973] [2021-06-05 20:24:08,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656527973] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:24:08,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:24:08,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-06-05 20:24:08,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072403982] [2021-06-05 20:24:08,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 20:24:08,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:24:08,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 20:24:08,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=740, Unknown=0, NotChecked=0, Total=812 [2021-06-05 20:24:08,361 INFO L87 Difference]: Start difference. First operand 105218 states and 325474 transitions. Second operand has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:09,175 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2021-06-05 20:24:09,541 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:24:09,746 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:24:09,986 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:24:10,849 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:24:11,106 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:24:11,347 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:24:11,588 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:24:11,817 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:24:12,034 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:24:12,285 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:24:12,514 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:24:12,820 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 20:24:13,047 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:24:13,352 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-06-05 20:24:13,628 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-05 20:24:13,892 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:24:14,154 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-06-05 20:24:14,428 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 93 [2021-06-05 20:24:14,738 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:24:15,034 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 95 [2021-06-05 20:24:15,326 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 98 [2021-06-05 20:24:15,642 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-06-05 20:24:16,159 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2021-06-05 20:24:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:24:17,335 INFO L93 Difference]: Finished difference Result 124298 states and 383448 transitions. [2021-06-05 20:24:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:24:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:24:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:24:17,530 INFO L225 Difference]: With dead ends: 124298 [2021-06-05 20:24:17,530 INFO L226 Difference]: Without dead ends: 124298 [2021-06-05 20:24:17,531 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 6961.3ms TimeCoverageRelationStatistics Valid=1271, Invalid=3151, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 20:24:18,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124298 states. [2021-06-05 20:24:19,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124298 to 107486. [2021-06-05 20:24:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107486 states, 107482 states have (on average 3.0943134664408922) internal successors, (332583), 107485 states have internal predecessors, (332583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107486 states to 107486 states and 332583 transitions. [2021-06-05 20:24:19,968 INFO L78 Accepts]: Start accepts. Automaton has 107486 states and 332583 transitions. Word has length 95 [2021-06-05 20:24:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:24:19,968 INFO L482 AbstractCegarLoop]: Abstraction has 107486 states and 332583 transitions. [2021-06-05 20:24:19,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 107486 states and 332583 transitions. [2021-06-05 20:24:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:24:20,058 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:24:20,058 INFO L554 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] [2021-06-05 20:24:20,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 20:24:20,058 INFO L430 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:24:20,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:24:20,058 INFO L82 PathProgramCache]: Analyzing trace with hash 530840035, now seen corresponding path program 3 times [2021-06-05 20:24:20,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:24:20,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920402526] [2021-06-05 20:24:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:24:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:24:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:24:21,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:24:21,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920402526] [2021-06-05 20:24:21,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920402526] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:24:21,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:24:21,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:24:21,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924604775] [2021-06-05 20:24:21,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:24:21,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:24:21,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:24:21,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:24:21,407 INFO L87 Difference]: Start difference. First operand 107486 states and 332583 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:22,349 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2021-06-05 20:24:22,591 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 20:24:22,841 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-06-05 20:24:23,363 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-06-05 20:24:24,154 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2021-06-05 20:24:24,337 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 20:24:24,666 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 20:24:24,858 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2021-06-05 20:24:25,007 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-06-05 20:24:25,188 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-06-05 20:24:25,326 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-05 20:24:25,547 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 20:24:25,742 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-06-05 20:24:25,917 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-05 20:24:26,073 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2021-06-05 20:24:26,334 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:24:26,519 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-06-05 20:24:26,689 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-06-05 20:24:26,961 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2021-06-05 20:24:27,175 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-05 20:24:27,442 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-06-05 20:24:27,612 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-06-05 20:24:27,888 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-06-05 20:24:28,120 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:24:28,280 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-05 20:24:28,571 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-06-05 20:24:28,785 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-06-05 20:24:28,976 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 20:24:29,146 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-06-05 20:24:29,423 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2021-06-05 20:24:29,646 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:24:29,894 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-05 20:24:30,191 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-06-05 20:24:30,492 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:24:30,704 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:24:30,986 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 77 [2021-06-05 20:24:31,242 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-06-05 20:24:31,470 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 71 [2021-06-05 20:24:31,771 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-06-05 20:24:32,050 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2021-06-05 20:24:32,336 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-05 20:24:32,627 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-06-05 20:24:32,875 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2021-06-05 20:24:33,114 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:24:33,494 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-06-05 20:24:33,841 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-06-05 20:24:34,116 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2021-06-05 20:24:34,427 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 87 [2021-06-05 20:24:34,798 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 91 [2021-06-05 20:24:35,163 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-06-05 20:24:35,533 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-06-05 20:24:35,962 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 96 [2021-06-05 20:24:36,395 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 [2021-06-05 20:24:37,028 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 95 [2021-06-05 20:24:38,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:24:38,559 INFO L93 Difference]: Finished difference Result 126202 states and 389415 transitions. [2021-06-05 20:24:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-05 20:24:38,560 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:24:38,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:24:38,763 INFO L225 Difference]: With dead ends: 126202 [2021-06-05 20:24:38,763 INFO L226 Difference]: Without dead ends: 126202 [2021-06-05 20:24:38,765 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 13924.1ms TimeCoverageRelationStatistics Valid=3087, Invalid=7625, Unknown=0, NotChecked=0, Total=10712 [2021-06-05 20:24:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126202 states. [2021-06-05 20:24:41,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126202 to 101384. [2021-06-05 20:24:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101384 states, 101380 states have (on average 3.0929275991319787) internal successors, (313561), 101383 states have internal predecessors, (313561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101384 states to 101384 states and 313561 transitions. [2021-06-05 20:24:41,407 INFO L78 Accepts]: Start accepts. Automaton has 101384 states and 313561 transitions. Word has length 95 [2021-06-05 20:24:41,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:24:41,408 INFO L482 AbstractCegarLoop]: Abstraction has 101384 states and 313561 transitions. [2021-06-05 20:24:41,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 101384 states and 313561 transitions. [2021-06-05 20:24:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:24:41,486 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:24:41,486 INFO L554 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] [2021-06-05 20:24:41,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 20:24:41,486 INFO L430 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:24:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:24:41,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1272383935, now seen corresponding path program 4 times [2021-06-05 20:24:41,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:24:41,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803171937] [2021-06-05 20:24:41,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:24:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:24:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:24:42,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:24:42,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803171937] [2021-06-05 20:24:42,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803171937] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:24:42,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:24:42,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-06-05 20:24:42,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420536870] [2021-06-05 20:24:42,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 20:24:42,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:24:42,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 20:24:42,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2021-06-05 20:24:42,253 INFO L87 Difference]: Start difference. First operand 101384 states and 313561 transitions. Second operand has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:24:43,103 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2021-06-05 20:24:43,527 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2021-06-05 20:24:43,752 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2021-06-05 20:24:43,978 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2021-06-05 20:24:44,318 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-06-05 20:24:45,106 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2021-06-05 20:24:45,476 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-06-05 20:24:45,632 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2021-06-05 20:24:45,785 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2021-06-05 20:24:45,993 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2021-06-05 20:24:46,182 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2021-06-05 20:24:46,327 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-06-05 20:24:46,539 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 61 [2021-06-05 20:24:46,677 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-06-05 20:24:46,920 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2021-06-05 20:24:47,093 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2021-06-05 20:24:47,252 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-06-05 20:24:47,398 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-06-05 20:24:47,641 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 20:24:47,819 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-05 20:24:47,978 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-06-05 20:24:48,234 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 69 [2021-06-05 20:24:48,434 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-05 20:24:48,620 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:24:48,758 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-06-05 20:24:49,030 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-06-05 20:24:49,250 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:24:49,410 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 64 [2021-06-05 20:24:49,672 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 71 [2021-06-05 20:24:49,895 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-06-05 20:24:50,091 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-06-05 20:24:50,248 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-06-05 20:24:50,521 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2021-06-05 20:24:50,747 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-06-05 20:24:50,932 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-06-05 20:24:51,225 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-06-05 20:24:51,471 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-06-05 20:24:51,678 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:24:51,957 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 75 [2021-06-05 20:24:52,241 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-06-05 20:24:52,456 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-06-05 20:24:52,794 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-06-05 20:24:53,076 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-06-05 20:24:53,344 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:24:53,625 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-06-05 20:24:53,871 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-06-05 20:24:54,109 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:24:54,499 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 84 [2021-06-05 20:24:54,842 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 78 [2021-06-05 20:24:55,117 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-06-05 20:24:55,403 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-06-05 20:24:55,723 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-06-05 20:24:56,031 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-06-05 20:24:56,398 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-06-05 20:24:56,835 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 91 [2021-06-05 20:24:57,217 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-06-05 20:24:57,756 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 90 [2021-06-05 20:24:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:24:59,449 INFO L93 Difference]: Finished difference Result 118540 states and 365573 transitions. [2021-06-05 20:24:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-05 20:24:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:24:59,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:24:59,636 INFO L225 Difference]: With dead ends: 118540 [2021-06-05 20:24:59,637 INFO L226 Difference]: Without dead ends: 118540 [2021-06-05 20:24:59,639 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1815 ImplicationChecksByTransitivity, 13537.0ms TimeCoverageRelationStatistics Valid=3089, Invalid=7623, Unknown=0, NotChecked=0, Total=10712 [2021-06-05 20:25:00,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118540 states. [2021-06-05 20:25:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118540 to 107454. [2021-06-05 20:25:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107454 states, 107450 states have (on average 3.091447184737087) internal successors, (332176), 107453 states have internal predecessors, (332176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107454 states to 107454 states and 332176 transitions. [2021-06-05 20:25:02,200 INFO L78 Accepts]: Start accepts. Automaton has 107454 states and 332176 transitions. Word has length 95 [2021-06-05 20:25:02,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:25:02,201 INFO L482 AbstractCegarLoop]: Abstraction has 107454 states and 332176 transitions. [2021-06-05 20:25:02,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 107454 states and 332176 transitions. [2021-06-05 20:25:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:25:02,290 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:25:02,290 INFO L554 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] [2021-06-05 20:25:02,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 20:25:02,291 INFO L430 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:25:02,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:25:02,291 INFO L82 PathProgramCache]: Analyzing trace with hash -958910793, now seen corresponding path program 5 times [2021-06-05 20:25:02,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:25:02,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432998982] [2021-06-05 20:25:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:25:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:25:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:25:03,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:25:03,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432998982] [2021-06-05 20:25:03,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432998982] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:25:03,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:25:03,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:25:03,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461258851] [2021-06-05 20:25:03,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:25:03,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:25:03,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:25:03,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:25:03,036 INFO L87 Difference]: Start difference. First operand 107454 states and 332176 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:03,769 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2021-06-05 20:25:04,661 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:25:04,897 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 20:25:05,170 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:25:06,237 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:25:06,518 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:25:06,760 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-06-05 20:25:07,010 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:25:07,250 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:25:07,467 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 20:25:07,716 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:25:07,957 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-06-05 20:25:08,235 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 20:25:08,473 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-06-05 20:25:08,758 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-06-05 20:25:09,020 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:25:09,254 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-06-05 20:25:09,520 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:25:09,779 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:25:10,029 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:25:10,467 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 20:25:12,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:25:12,567 INFO L93 Difference]: Finished difference Result 155492 states and 479799 transitions. [2021-06-05 20:25:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:25:12,568 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:25:12,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:25:13,048 INFO L225 Difference]: With dead ends: 155492 [2021-06-05 20:25:13,049 INFO L226 Difference]: Without dead ends: 155492 [2021-06-05 20:25:13,050 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 6761.3ms TimeCoverageRelationStatistics Valid=1359, Invalid=4043, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:25:13,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155492 states. [2021-06-05 20:25:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155492 to 120054. [2021-06-05 20:25:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120054 states, 120050 states have (on average 3.097176176593086) internal successors, (371816), 120053 states have internal predecessors, (371816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120054 states to 120054 states and 371816 transitions. [2021-06-05 20:25:15,936 INFO L78 Accepts]: Start accepts. Automaton has 120054 states and 371816 transitions. Word has length 95 [2021-06-05 20:25:15,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:25:15,936 INFO L482 AbstractCegarLoop]: Abstraction has 120054 states and 371816 transitions. [2021-06-05 20:25:15,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 120054 states and 371816 transitions. [2021-06-05 20:25:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:25:16,036 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:25:16,037 INFO L554 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] [2021-06-05 20:25:16,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 20:25:16,037 INFO L430 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:25:16,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:25:16,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1921925581, now seen corresponding path program 6 times [2021-06-05 20:25:16,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:25:16,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650881584] [2021-06-05 20:25:16,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:25:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:25:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:25:17,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:25:17,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650881584] [2021-06-05 20:25:17,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650881584] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:25:17,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:25:17,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:25:17,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482950809] [2021-06-05 20:25:17,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:25:17,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:25:17,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:25:17,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:25:17,341 INFO L87 Difference]: Start difference. First operand 120054 states and 371816 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:18,257 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 20:25:18,493 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:25:18,714 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 20:25:18,977 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-05 20:25:19,930 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:25:20,218 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-05 20:25:20,467 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-06-05 20:25:20,724 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-06-05 20:25:20,976 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:25:21,206 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:25:21,471 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:25:21,725 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 20:25:22,056 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 20:25:22,297 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-06-05 20:25:22,632 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 20:25:22,930 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 20:25:23,192 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 20:25:23,441 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-05 20:25:23,711 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2021-06-05 20:25:23,994 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-05 20:25:24,301 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 20:25:24,614 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 100 [2021-06-05 20:25:24,909 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 92 [2021-06-05 20:25:25,376 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2021-06-05 20:25:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:25:26,755 INFO L93 Difference]: Finished difference Result 155022 states and 478336 transitions. [2021-06-05 20:25:26,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:25:26,761 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:25:26,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:25:26,999 INFO L225 Difference]: With dead ends: 155022 [2021-06-05 20:25:26,999 INFO L226 Difference]: Without dead ends: 155022 [2021-06-05 20:25:27,000 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 7311.9ms TimeCoverageRelationStatistics Valid=1302, Invalid=3254, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:25:27,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155022 states. [2021-06-05 20:25:29,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155022 to 124656. [2021-06-05 20:25:29,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124656 states, 124652 states have (on average 3.0974553155986264) internal successors, (386104), 124655 states have internal predecessors, (386104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124656 states to 124656 states and 386104 transitions. [2021-06-05 20:25:29,880 INFO L78 Accepts]: Start accepts. Automaton has 124656 states and 386104 transitions. Word has length 95 [2021-06-05 20:25:29,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:25:29,881 INFO L482 AbstractCegarLoop]: Abstraction has 124656 states and 386104 transitions. [2021-06-05 20:25:29,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 124656 states and 386104 transitions. [2021-06-05 20:25:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:25:29,986 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:25:29,986 INFO L554 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] [2021-06-05 20:25:29,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 20:25:29,987 INFO L430 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:25:29,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:25:29,987 INFO L82 PathProgramCache]: Analyzing trace with hash -721827337, now seen corresponding path program 7 times [2021-06-05 20:25:29,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:25:29,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047898383] [2021-06-05 20:25:29,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:25:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:25:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:25:31,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:25:31,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047898383] [2021-06-05 20:25:31,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047898383] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:25:31,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:25:31,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:25:31,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062051416] [2021-06-05 20:25:31,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:25:31,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:25:31,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:25:31,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:25:31,211 INFO L87 Difference]: Start difference. First operand 124656 states and 386104 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:32,383 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:25:32,599 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:25:32,859 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:25:33,433 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2021-06-05 20:25:33,813 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:25:34,185 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:25:34,319 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-05 20:25:34,518 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:25:34,683 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:25:34,835 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:25:34,976 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 20:25:35,195 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:25:35,358 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:25:35,512 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-06-05 20:25:35,742 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:25:35,955 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:25:36,146 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:25:36,287 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-06-05 20:25:36,559 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:25:36,777 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 20:25:36,941 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:25:37,196 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:25:37,396 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:25:37,574 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:25:37,726 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-06-05 20:25:37,973 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:25:38,181 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-06-05 20:25:38,373 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:25:38,644 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:25:38,870 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:25:39,068 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:25:39,337 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:25:39,572 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:25:39,771 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:25:40,051 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:25:40,305 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:25:40,578 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-06-05 20:25:40,861 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-06-05 20:25:41,087 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:25:41,309 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:25:41,676 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-06-05 20:25:41,996 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:25:42,245 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:25:42,533 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-06-05 20:25:42,850 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2021-06-05 20:25:43,174 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:25:43,535 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 20:25:43,933 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-06-05 20:25:44,302 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-06-05 20:25:44,890 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 20:25:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:25:46,626 INFO L93 Difference]: Finished difference Result 161976 states and 499770 transitions. [2021-06-05 20:25:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-05 20:25:46,627 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:25:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:25:46,912 INFO L225 Difference]: With dead ends: 161976 [2021-06-05 20:25:46,912 INFO L226 Difference]: Without dead ends: 161976 [2021-06-05 20:25:46,914 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 12086.0ms TimeCoverageRelationStatistics Valid=2753, Invalid=6559, Unknown=0, NotChecked=0, Total=9312 [2021-06-05 20:25:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161976 states. [2021-06-05 20:25:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161976 to 123060. [2021-06-05 20:25:49,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123060 states, 123056 states have (on average 3.096793329866077) internal successors, (381079), 123059 states have internal predecessors, (381079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123060 states to 123060 states and 381079 transitions. [2021-06-05 20:25:50,063 INFO L78 Accepts]: Start accepts. Automaton has 123060 states and 381079 transitions. Word has length 95 [2021-06-05 20:25:50,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:25:50,064 INFO L482 AbstractCegarLoop]: Abstraction has 123060 states and 381079 transitions. [2021-06-05 20:25:50,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 123060 states and 381079 transitions. [2021-06-05 20:25:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:25:50,166 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:25:50,166 INFO L554 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] [2021-06-05 20:25:50,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 20:25:50,166 INFO L430 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:25:50,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:25:50,167 INFO L82 PathProgramCache]: Analyzing trace with hash 19716563, now seen corresponding path program 8 times [2021-06-05 20:25:50,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:25:50,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119812713] [2021-06-05 20:25:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:25:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:25:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:25:51,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:25:51,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119812713] [2021-06-05 20:25:51,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119812713] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:25:51,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:25:51,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:25:51,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557064502] [2021-06-05 20:25:51,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:25:51,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:25:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:25:51,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:25:51,566 INFO L87 Difference]: Start difference. First operand 123060 states and 381079 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:25:52,509 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2021-06-05 20:25:52,763 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-06-05 20:25:52,992 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-06-05 20:25:53,264 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-06-05 20:25:54,054 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-06-05 20:25:54,217 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-06-05 20:25:54,435 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-06-05 20:25:54,825 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:25:54,960 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2021-06-05 20:25:55,185 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 20:25:55,357 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 20:25:55,513 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:25:55,655 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 20:25:55,886 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-06-05 20:25:56,052 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:25:56,226 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-06-05 20:25:56,487 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-06-05 20:25:56,697 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:25:56,890 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:25:57,037 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2021-06-05 20:25:57,317 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2021-06-05 20:25:57,525 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:25:57,685 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:25:57,935 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-06-05 20:25:58,143 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-06-05 20:25:58,334 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-06-05 20:25:58,488 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2021-06-05 20:25:58,769 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 72 [2021-06-05 20:25:58,989 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-06-05 20:25:59,169 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:25:59,461 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 76 [2021-06-05 20:25:59,700 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:25:59,903 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 20:26:00,179 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-06-05 20:26:00,428 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-06-05 20:26:00,638 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-06-05 20:26:00,927 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-06-05 20:26:01,231 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-06-05 20:26:01,519 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:26:01,790 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:26:02,029 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 75 [2021-06-05 20:26:02,262 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 20:26:02,630 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-06-05 20:26:02,991 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-06-05 20:26:03,254 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-06-05 20:26:03,600 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-06-05 20:26:03,934 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-06-05 20:26:04,233 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-06-05 20:26:04,616 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 93 [2021-06-05 20:26:05,041 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 96 [2021-06-05 20:26:05,435 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-06-05 20:26:06,052 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-06-05 20:26:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:07,755 INFO L93 Difference]: Finished difference Result 160464 states and 494900 transitions. [2021-06-05 20:26:07,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-05 20:26:07,755 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:26:07,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:08,016 INFO L225 Difference]: With dead ends: 160464 [2021-06-05 20:26:08,016 INFO L226 Difference]: Without dead ends: 160464 [2021-06-05 20:26:08,017 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 12720.6ms TimeCoverageRelationStatistics Valid=2808, Invalid=6894, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 20:26:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160464 states. [2021-06-05 20:26:10,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160464 to 123508. [2021-06-05 20:26:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123508 states, 123504 states have (on average 3.095762080580386) internal successors, (382339), 123507 states have internal predecessors, (382339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123508 states to 123508 states and 382339 transitions. [2021-06-05 20:26:11,351 INFO L78 Accepts]: Start accepts. Automaton has 123508 states and 382339 transitions. Word has length 95 [2021-06-05 20:26:11,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:11,351 INFO L482 AbstractCegarLoop]: Abstraction has 123508 states and 382339 transitions. [2021-06-05 20:26:11,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 123508 states and 382339 transitions. [2021-06-05 20:26:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:26:11,527 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:11,527 INFO L554 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] [2021-06-05 20:26:11,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 20:26:11,527 INFO L430 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:11,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:11,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1578502991, now seen corresponding path program 9 times [2021-06-05 20:26:11,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:11,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018242011] [2021-06-05 20:26:11,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:12,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:12,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018242011] [2021-06-05 20:26:12,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018242011] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:12,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:12,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:26:12,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250423040] [2021-06-05 20:26:12,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:26:12,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:12,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:26:12,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:26:12,189 INFO L87 Difference]: Start difference. First operand 123508 states and 382339 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:13,338 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:26:13,826 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 20:26:14,076 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:26:14,863 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:26:15,114 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:26:15,355 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-06-05 20:26:15,600 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:26:15,838 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:26:16,053 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 20:26:16,392 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:26:16,648 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-06-05 20:26:16,937 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-05 20:26:17,168 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-06-05 20:26:17,456 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-06-05 20:26:17,705 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:26:17,940 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-06-05 20:26:18,208 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:26:18,463 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:26:18,806 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:26:19,243 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-05 20:26:21,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:21,326 INFO L93 Difference]: Finished difference Result 170118 states and 525627 transitions. [2021-06-05 20:26:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:26:21,327 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:26:21,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:21,579 INFO L225 Difference]: With dead ends: 170118 [2021-06-05 20:26:21,580 INFO L226 Difference]: Without dead ends: 170118 [2021-06-05 20:26:21,580 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 6557.6ms TimeCoverageRelationStatistics Valid=1359, Invalid=4043, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:26:22,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170118 states. [2021-06-05 20:26:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170118 to 135408. [2021-06-05 20:26:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135408 states, 135404 states have (on average 3.100750347109391) internal successors, (419854), 135407 states have internal predecessors, (419854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135408 states to 135408 states and 419854 transitions. [2021-06-05 20:26:24,525 INFO L78 Accepts]: Start accepts. Automaton has 135408 states and 419854 transitions. Word has length 95 [2021-06-05 20:26:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:24,526 INFO L482 AbstractCegarLoop]: Abstraction has 135408 states and 419854 transitions. [2021-06-05 20:26:24,526 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 135408 states and 419854 transitions. [2021-06-05 20:26:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:26:24,646 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:24,647 INFO L554 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] [2021-06-05 20:26:24,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 20:26:24,647 INFO L430 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:24,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:24,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1302333383, now seen corresponding path program 10 times [2021-06-05 20:26:24,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:24,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761142406] [2021-06-05 20:26:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:26,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:26,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761142406] [2021-06-05 20:26:26,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761142406] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:26,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:26,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:26:26,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968244653] [2021-06-05 20:26:26,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:26:26,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:26,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:26:26,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:26:26,102 INFO L87 Difference]: Start difference. First operand 135408 states and 419854 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:27,107 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 20:26:27,341 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:26:27,571 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 20:26:27,838 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-05 20:26:29,015 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:26:29,393 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-05 20:26:29,668 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-06-05 20:26:29,968 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-06-05 20:26:30,253 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-05 20:26:30,482 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:26:30,750 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:26:30,994 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 20:26:31,320 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 20:26:31,540 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-06-05 20:26:31,850 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 20:26:32,113 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 20:26:32,351 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-05 20:26:32,593 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-05 20:26:32,858 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2021-06-05 20:26:33,139 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-05 20:26:33,413 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-05 20:26:33,775 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 100 [2021-06-05 20:26:34,063 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 92 [2021-06-05 20:26:34,515 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2021-06-05 20:26:35,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:35,780 INFO L93 Difference]: Finished difference Result 169648 states and 524164 transitions. [2021-06-05 20:26:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:26:35,780 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:26:35,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:36,267 INFO L225 Difference]: With dead ends: 169648 [2021-06-05 20:26:36,267 INFO L226 Difference]: Without dead ends: 169648 [2021-06-05 20:26:36,267 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 7647.3ms TimeCoverageRelationStatistics Valid=1302, Invalid=3254, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:26:37,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169648 states. [2021-06-05 20:26:38,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169648 to 138180. [2021-06-05 20:26:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138180 states, 138176 states have (on average 3.1014720356646595) internal successors, (428549), 138179 states have internal predecessors, (428549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138180 states to 138180 states and 428549 transitions. [2021-06-05 20:26:39,355 INFO L78 Accepts]: Start accepts. Automaton has 138180 states and 428549 transitions. Word has length 95 [2021-06-05 20:26:39,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:39,355 INFO L482 AbstractCegarLoop]: Abstraction has 138180 states and 428549 transitions. [2021-06-05 20:26:39,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 138180 states and 428549 transitions. [2021-06-05 20:26:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:26:39,482 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:39,483 INFO L554 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] [2021-06-05 20:26:39,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 20:26:39,483 INFO L430 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:39,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:39,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1341419535, now seen corresponding path program 11 times [2021-06-05 20:26:39,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:39,483 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057961407] [2021-06-05 20:26:39,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:40,623 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-06-05 20:26:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:40,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:40,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057961407] [2021-06-05 20:26:40,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057961407] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:40,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:40,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:26:40,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772042435] [2021-06-05 20:26:40,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:26:40,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:40,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:26:40,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:26:40,732 INFO L87 Difference]: Start difference. First operand 138180 states and 428549 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:41,904 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:26:42,115 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:26:42,368 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:26:43,001 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:26:43,425 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:26:43,642 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:26:43,804 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:26:43,951 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:26:44,159 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:26:44,315 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:26:44,540 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:26:44,721 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:26:44,890 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:26:45,119 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:26:45,312 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 20:26:45,460 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:26:45,680 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:26:45,893 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:26:46,067 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:26:46,327 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:26:46,531 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-06-05 20:26:46,700 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:26:46,957 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:26:47,176 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:26:47,370 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:26:47,622 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:26:47,852 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:26:48,047 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:26:48,321 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:26:48,595 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:26:48,831 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-06-05 20:26:49,082 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-06-05 20:26:49,303 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:26:49,518 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:26:49,864 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-06-05 20:26:50,158 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:26:50,402 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:26:50,668 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-06-05 20:26:50,997 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2021-06-05 20:26:51,282 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:26:51,596 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 20:26:51,962 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-06-05 20:26:52,299 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-06-05 20:26:52,826 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 20:26:54,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:26:54,379 INFO L93 Difference]: Finished difference Result 176162 states and 544262 transitions. [2021-06-05 20:26:54,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-05 20:26:54,380 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:26:54,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:26:54,648 INFO L225 Difference]: With dead ends: 176162 [2021-06-05 20:26:54,648 INFO L226 Difference]: Without dead ends: 176162 [2021-06-05 20:26:54,649 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 10985.9ms TimeCoverageRelationStatistics Valid=2388, Invalid=5622, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 20:26:55,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176162 states. [2021-06-05 20:26:57,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176162 to 129416. [2021-06-05 20:26:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129416 states, 129412 states have (on average 3.098429821036689) internal successors, (400974), 129415 states have internal predecessors, (400974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129416 states to 129416 states and 400974 transitions. [2021-06-05 20:26:57,754 INFO L78 Accepts]: Start accepts. Automaton has 129416 states and 400974 transitions. Word has length 95 [2021-06-05 20:26:57,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:26:57,754 INFO L482 AbstractCegarLoop]: Abstraction has 129416 states and 400974 transitions. [2021-06-05 20:26:57,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:26:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 129416 states and 400974 transitions. [2021-06-05 20:26:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:26:58,429 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:26:58,429 INFO L554 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] [2021-06-05 20:26:58,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 20:26:58,429 INFO L430 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:26:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:26:58,430 INFO L82 PathProgramCache]: Analyzing trace with hash -599875635, now seen corresponding path program 12 times [2021-06-05 20:26:58,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:26:58,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334186425] [2021-06-05 20:26:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:26:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:26:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:26:59,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:26:59,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334186425] [2021-06-05 20:26:59,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334186425] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:26:59,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:26:59,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:26:59,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705889003] [2021-06-05 20:26:59,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:26:59,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:26:59,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:26:59,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:26:59,441 INFO L87 Difference]: Start difference. First operand 129416 states and 400974 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:00,385 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2021-06-05 20:27:00,615 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-06-05 20:27:00,838 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-06-05 20:27:01,407 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-06-05 20:27:01,849 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-06-05 20:27:02,225 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-06-05 20:27:02,465 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:27:02,706 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-06-05 20:27:02,874 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-05 20:27:03,024 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:27:03,243 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-06-05 20:27:03,404 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:27:03,639 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-06-05 20:27:03,884 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:27:04,058 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:27:04,298 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2021-06-05 20:27:04,499 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:27:04,655 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:27:04,888 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-06-05 20:27:05,093 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-06-05 20:27:05,275 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-06-05 20:27:05,536 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 72 [2021-06-05 20:27:05,749 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-06-05 20:27:05,924 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:27:06,199 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 76 [2021-06-05 20:27:06,451 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:27:06,647 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 20:27:06,907 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-06-05 20:27:07,147 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-06-05 20:27:07,400 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-06-05 20:27:07,719 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-06-05 20:27:07,981 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-06-05 20:27:08,246 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:27:08,509 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:27:08,741 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 75 [2021-06-05 20:27:08,991 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 20:27:09,337 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-06-05 20:27:09,646 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-06-05 20:27:09,903 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-06-05 20:27:10,187 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-06-05 20:27:10,496 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-06-05 20:27:10,783 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-06-05 20:27:11,132 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 93 [2021-06-05 20:27:11,576 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 96 [2021-06-05 20:27:11,933 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-06-05 20:27:12,484 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-06-05 20:27:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:14,111 INFO L93 Difference]: Finished difference Result 174650 states and 539392 transitions. [2021-06-05 20:27:14,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 20:27:14,112 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:27:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:14,382 INFO L225 Difference]: With dead ends: 174650 [2021-06-05 20:27:14,382 INFO L226 Difference]: Without dead ends: 174650 [2021-06-05 20:27:14,383 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 11448.1ms TimeCoverageRelationStatistics Valid=2443, Invalid=5929, Unknown=0, NotChecked=0, Total=8372 [2021-06-05 20:27:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174650 states. [2021-06-05 20:27:16,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174650 to 123536. [2021-06-05 20:27:17,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123536 states, 123532 states have (on average 3.0957484700320563) internal successors, (382424), 123535 states have internal predecessors, (382424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123536 states to 123536 states and 382424 transitions. [2021-06-05 20:27:17,333 INFO L78 Accepts]: Start accepts. Automaton has 123536 states and 382424 transitions. Word has length 95 [2021-06-05 20:27:17,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:27:17,333 INFO L482 AbstractCegarLoop]: Abstraction has 123536 states and 382424 transitions. [2021-06-05 20:27:17,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 123536 states and 382424 transitions. [2021-06-05 20:27:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:27:17,437 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:27:17,437 INFO L554 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] [2021-06-05 20:27:17,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 20:27:17,437 INFO L430 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:27:17,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:27:17,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2114016455, now seen corresponding path program 13 times [2021-06-05 20:27:17,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:27:17,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095373483] [2021-06-05 20:27:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:27:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:27:18,472 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-06-05 20:27:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:27:18,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:27:18,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095373483] [2021-06-05 20:27:18,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095373483] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:27:18,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:27:18,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:27:18,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333025086] [2021-06-05 20:27:18,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:27:18,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:27:18,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:27:18,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:27:18,580 INFO L87 Difference]: Start difference. First operand 123536 states and 382424 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:19,804 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:27:20,017 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-06-05 20:27:20,264 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:27:21,064 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:27:21,516 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:27:21,754 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 20:27:22,005 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:27:22,236 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-06-05 20:27:22,451 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:27:22,705 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 20:27:22,935 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:27:23,196 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-06-05 20:27:23,409 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-06-05 20:27:23,695 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:27:23,978 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:27:24,209 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-06-05 20:27:24,473 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-06-05 20:27:24,730 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-06-05 20:27:24,979 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-06-05 20:27:25,413 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 20:27:27,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:27,395 INFO L93 Difference]: Finished difference Result 165668 states and 512102 transitions. [2021-06-05 20:27:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:27:27,395 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:27:27,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:27,654 INFO L225 Difference]: With dead ends: 165668 [2021-06-05 20:27:27,655 INFO L226 Difference]: Without dead ends: 165668 [2021-06-05 20:27:27,655 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 6586.0ms TimeCoverageRelationStatistics Valid=1359, Invalid=4043, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:27:28,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165668 states. [2021-06-05 20:27:30,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165668 to 134792. [2021-06-05 20:27:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134792 states, 134788 states have (on average 3.101210790278066) internal successors, (418006), 134791 states have internal predecessors, (418006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134792 states to 134792 states and 418006 transitions. [2021-06-05 20:27:31,172 INFO L78 Accepts]: Start accepts. Automaton has 134792 states and 418006 transitions. Word has length 95 [2021-06-05 20:27:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:27:31,172 INFO L482 AbstractCegarLoop]: Abstraction has 134792 states and 418006 transitions. [2021-06-05 20:27:31,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134792 states and 418006 transitions. [2021-06-05 20:27:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:27:31,344 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:27:31,344 INFO L554 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] [2021-06-05 20:27:31,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 20:27:31,344 INFO L430 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:27:31,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:27:31,344 INFO L82 PathProgramCache]: Analyzing trace with hash 766819919, now seen corresponding path program 14 times [2021-06-05 20:27:31,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:27:31,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642796672] [2021-06-05 20:27:31,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:27:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:27:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:27:32,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:27:32,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642796672] [2021-06-05 20:27:32,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642796672] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:27:32,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:27:32,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:27:32,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726495164] [2021-06-05 20:27:32,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:27:32,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:27:32,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:27:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:27:32,240 INFO L87 Difference]: Start difference. First operand 134792 states and 418006 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:33,188 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 20:27:33,427 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:27:33,658 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 20:27:34,229 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 20:27:35,094 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-06-05 20:27:35,368 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-05 20:27:35,614 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-06-05 20:27:35,871 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 76 [2021-06-05 20:27:36,115 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-06-05 20:27:36,346 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:27:36,686 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-06-05 20:27:36,933 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2021-06-05 20:27:37,219 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:27:37,440 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-06-05 20:27:37,757 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-06-05 20:27:38,023 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-06-05 20:27:38,263 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-06-05 20:27:38,506 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-05 20:27:38,794 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-06-05 20:27:39,151 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 20:27:39,426 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 20:27:39,741 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 98 [2021-06-05 20:27:40,043 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-06-05 20:27:40,502 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 95 [2021-06-05 20:27:41,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:41,908 INFO L93 Difference]: Finished difference Result 165198 states and 510639 transitions. [2021-06-05 20:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:27:41,909 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:27:41,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:42,149 INFO L225 Difference]: With dead ends: 165198 [2021-06-05 20:27:42,149 INFO L226 Difference]: Without dead ends: 165198 [2021-06-05 20:27:42,149 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 6830.6ms TimeCoverageRelationStatistics Valid=1302, Invalid=3254, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:27:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165198 states. [2021-06-05 20:27:44,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165198 to 137564. [2021-06-05 20:27:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137564 states, 137560 states have (on average 3.1019264321023554) internal successors, (426701), 137563 states have internal predecessors, (426701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137564 states to 137564 states and 426701 transitions. [2021-06-05 20:27:45,166 INFO L78 Accepts]: Start accepts. Automaton has 137564 states and 426701 transitions. Word has length 95 [2021-06-05 20:27:45,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:27:45,167 INFO L482 AbstractCegarLoop]: Abstraction has 137564 states and 426701 transitions. [2021-06-05 20:27:45,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 137564 states and 426701 transitions. [2021-06-05 20:27:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:27:45,297 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:27:45,297 INFO L554 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] [2021-06-05 20:27:45,298 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 20:27:45,298 INFO L430 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:27:45,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:27:45,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1876932999, now seen corresponding path program 15 times [2021-06-05 20:27:45,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:27:45,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494678698] [2021-06-05 20:27:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:27:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:27:46,063 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-05 20:27:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:27:46,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:27:46,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494678698] [2021-06-05 20:27:46,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494678698] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:27:46,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:27:46,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:27:46,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151621789] [2021-06-05 20:27:46,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:27:46,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:27:46,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:27:46,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:27:46,490 INFO L87 Difference]: Start difference. First operand 137564 states and 426701 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:27:47,611 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:27:47,815 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:27:48,058 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:27:48,554 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:27:49,075 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:27:49,233 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:27:49,435 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:27:49,652 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:27:49,828 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:27:50,047 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:27:50,235 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 20:27:50,446 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-06-05 20:27:50,637 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:27:50,808 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:27:51,041 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-06-05 20:27:51,241 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-06-05 20:27:51,497 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:27:51,731 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:27:51,919 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:27:52,157 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:27:52,384 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:27:52,576 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-05 20:27:52,842 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:27:53,085 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:27:53,318 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-05 20:27:53,565 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:27:53,783 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-05 20:27:53,993 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-06-05 20:27:54,342 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-06-05 20:27:54,622 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:27:54,861 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:27:55,118 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:27:55,401 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:27:55,682 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 20:27:55,978 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 20:27:56,312 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 20:27:56,682 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-06-05 20:27:57,182 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2021-06-05 20:27:58,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:27:58,607 INFO L93 Difference]: Finished difference Result 170784 states and 527917 transitions. [2021-06-05 20:27:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-05 20:27:58,607 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:27:58,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:27:58,885 INFO L225 Difference]: With dead ends: 170784 [2021-06-05 20:27:58,885 INFO L226 Difference]: Without dead ends: 170784 [2021-06-05 20:27:58,885 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 9831.8ms TimeCoverageRelationStatistics Valid=2032, Invalid=4774, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:27:59,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170784 states. [2021-06-05 20:28:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170784 to 129108. [2021-06-05 20:28:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129108 states, 129104 states have (on average 3.098749845086132) internal successors, (400061), 129107 states have internal predecessors, (400061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129108 states to 129108 states and 400061 transitions. [2021-06-05 20:28:02,274 INFO L78 Accepts]: Start accepts. Automaton has 129108 states and 400061 transitions. Word has length 95 [2021-06-05 20:28:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:02,274 INFO L482 AbstractCegarLoop]: Abstraction has 129108 states and 400061 transitions. [2021-06-05 20:28:02,274 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 129108 states and 400061 transitions. [2021-06-05 20:28:02,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:28:02,382 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:02,383 INFO L554 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] [2021-06-05 20:28:02,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 20:28:02,383 INFO L430 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:02,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:02,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1135389099, now seen corresponding path program 16 times [2021-06-05 20:28:02,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:02,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859338365] [2021-06-05 20:28:02,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:03,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:03,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859338365] [2021-06-05 20:28:03,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859338365] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:03,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:03,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:28:03,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665758030] [2021-06-05 20:28:03,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:28:03,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:03,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:28:03,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:28:03,358 INFO L87 Difference]: Start difference. First operand 129108 states and 400061 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:04,460 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-06-05 20:28:04,742 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2021-06-05 20:28:04,980 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 20:28:05,207 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-06-05 20:28:05,478 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-06-05 20:28:05,966 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:28:06,236 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 20:28:06,597 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 20:28:06,767 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-06-05 20:28:07,174 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:28:07,422 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-06-05 20:28:07,609 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-06-05 20:28:07,854 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-06-05 20:28:08,053 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-05 20:28:08,286 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-06-05 20:28:08,490 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-06-05 20:28:08,672 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-06-05 20:28:08,928 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 72 [2021-06-05 20:28:09,141 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-06-05 20:28:09,423 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-06-05 20:28:09,673 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-06-05 20:28:09,869 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-05 20:28:10,124 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77 [2021-06-05 20:28:10,366 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-06-05 20:28:10,573 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 71 [2021-06-05 20:28:10,863 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-06-05 20:28:11,124 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-06-05 20:28:11,392 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 20:28:11,656 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-06-05 20:28:11,891 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2021-06-05 20:28:12,140 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:28:12,474 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 88 [2021-06-05 20:28:12,782 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-06-05 20:28:13,036 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-06-05 20:28:13,319 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-06-05 20:28:13,622 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 89 [2021-06-05 20:28:13,910 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 85 [2021-06-05 20:28:14,251 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-06-05 20:28:14,670 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 96 [2021-06-05 20:28:15,016 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-06-05 20:28:15,559 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 93 [2021-06-05 20:28:17,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:17,333 INFO L93 Difference]: Finished difference Result 169272 states and 523047 transitions. [2021-06-05 20:28:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 20:28:17,333 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:28:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:17,608 INFO L225 Difference]: With dead ends: 169272 [2021-06-05 20:28:17,608 INFO L226 Difference]: Without dead ends: 169272 [2021-06-05 20:28:17,608 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 10727.6ms TimeCoverageRelationStatistics Valid=2087, Invalid=5053, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 20:28:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169272 states. [2021-06-05 20:28:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169272 to 123620. [2021-06-05 20:28:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123620 states, 123616 states have (on average 3.0958856458710846) internal successors, (382701), 123619 states have internal predecessors, (382701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123620 states to 123620 states and 382701 transitions. [2021-06-05 20:28:20,710 INFO L78 Accepts]: Start accepts. Automaton has 123620 states and 382701 transitions. Word has length 95 [2021-06-05 20:28:20,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:20,710 INFO L482 AbstractCegarLoop]: Abstraction has 123620 states and 382701 transitions. [2021-06-05 20:28:20,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 123620 states and 382701 transitions. [2021-06-05 20:28:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:28:20,815 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:20,815 INFO L554 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] [2021-06-05 20:28:20,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 20:28:20,815 INFO L430 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:20,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:20,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1733956903, now seen corresponding path program 17 times [2021-06-05 20:28:20,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:20,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682335804] [2021-06-05 20:28:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:21,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:21,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682335804] [2021-06-05 20:28:21,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682335804] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:21,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:21,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:28:21,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140218112] [2021-06-05 20:28:21,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:28:21,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:21,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:28:21,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:28:21,440 INFO L87 Difference]: Start difference. First operand 123620 states and 382701 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:22,280 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2021-06-05 20:28:23,109 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:28:23,293 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:28:23,539 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:28:24,387 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:28:24,643 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-05 20:28:25,081 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:28:25,315 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 20:28:25,558 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:28:25,765 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:28:26,012 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 20:28:26,235 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 20:28:26,493 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:28:26,701 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:28:26,987 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:28:27,238 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-06-05 20:28:27,465 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 20:28:27,774 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 20:28:28,030 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-06-05 20:28:28,264 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 20:28:28,675 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-05 20:28:30,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:30,720 INFO L93 Difference]: Finished difference Result 162310 states and 502396 transitions. [2021-06-05 20:28:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:28:30,720 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:28:30,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:30,958 INFO L225 Difference]: With dead ends: 162310 [2021-06-05 20:28:30,958 INFO L226 Difference]: Without dead ends: 162310 [2021-06-05 20:28:30,959 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 6569.7ms TimeCoverageRelationStatistics Valid=1360, Invalid=4042, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:28:31,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162310 states. [2021-06-05 20:28:33,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162310 to 130340. [2021-06-05 20:28:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130340 states, 130336 states have (on average 3.0983688313282594) internal successors, (403829), 130339 states have internal predecessors, (403829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130340 states to 130340 states and 403829 transitions. [2021-06-05 20:28:33,858 INFO L78 Accepts]: Start accepts. Automaton has 130340 states and 403829 transitions. Word has length 95 [2021-06-05 20:28:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:33,858 INFO L482 AbstractCegarLoop]: Abstraction has 130340 states and 403829 transitions. [2021-06-05 20:28:33,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 130340 states and 403829 transitions. [2021-06-05 20:28:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:28:33,973 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:33,973 INFO L554 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] [2021-06-05 20:28:33,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 20:28:33,973 INFO L430 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:33,973 INFO L82 PathProgramCache]: Analyzing trace with hash 319825981, now seen corresponding path program 18 times [2021-06-05 20:28:33,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:33,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22632006] [2021-06-05 20:28:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:35,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:35,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22632006] [2021-06-05 20:28:35,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22632006] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:35,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:35,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:28:35,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446367982] [2021-06-05 20:28:35,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:28:35,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:35,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:28:35,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:28:35,115 INFO L87 Difference]: Start difference. First operand 130340 states and 403829 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:36,132 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-06-05 20:28:36,328 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:28:36,507 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:28:36,753 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:28:37,812 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:28:38,071 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:28:38,310 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-06-05 20:28:38,548 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:28:38,793 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-06-05 20:28:39,010 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:28:39,269 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 20:28:39,502 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:28:39,774 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-06-05 20:28:39,982 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-06-05 20:28:40,283 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 88 [2021-06-05 20:28:40,583 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-06-05 20:28:40,809 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-06-05 20:28:41,039 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:28:41,298 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:28:41,565 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-06-05 20:28:41,827 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 20:28:42,125 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 20:28:42,407 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-06-05 20:28:42,859 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 93 [2021-06-05 20:28:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:44,207 INFO L93 Difference]: Finished difference Result 161840 states and 500933 transitions. [2021-06-05 20:28:44,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:28:44,207 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:28:44,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:44,461 INFO L225 Difference]: With dead ends: 161840 [2021-06-05 20:28:44,462 INFO L226 Difference]: Without dead ends: 161840 [2021-06-05 20:28:44,462 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 6918.8ms TimeCoverageRelationStatistics Valid=1302, Invalid=3254, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:28:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161840 states. [2021-06-05 20:28:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161840 to 131600. [2021-06-05 20:28:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131600 states, 131596 states have (on average 3.0986200188455575) internal successors, (407766), 131599 states have internal predecessors, (407766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131600 states to 131600 states and 407766 transitions. [2021-06-05 20:28:47,981 INFO L78 Accepts]: Start accepts. Automaton has 131600 states and 407766 transitions. Word has length 95 [2021-06-05 20:28:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:47,981 INFO L482 AbstractCegarLoop]: Abstraction has 131600 states and 407766 transitions. [2021-06-05 20:28:47,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 131600 states and 407766 transitions. [2021-06-05 20:28:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:28:48,118 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:48,118 INFO L554 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] [2021-06-05 20:28:48,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 20:28:48,118 INFO L430 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:28:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:48,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1971040359, now seen corresponding path program 19 times [2021-06-05 20:28:48,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:48,124 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584886028] [2021-06-05 20:28:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:48,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:48,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584886028] [2021-06-05 20:28:48,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584886028] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:48,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:48,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:28:48,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346524835] [2021-06-05 20:28:48,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:28:48,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:48,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:28:48,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:28:48,931 INFO L87 Difference]: Start difference. First operand 131600 states and 407766 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:50,119 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:28:50,299 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:28:50,550 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:28:51,674 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:28:51,928 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:28:52,166 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-06-05 20:28:52,399 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:28:52,642 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-06-05 20:28:52,849 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-06-05 20:28:53,100 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 20:28:53,322 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 20:28:53,581 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-06-05 20:28:53,828 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:28:54,036 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-05 20:28:54,336 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-06-05 20:28:54,592 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-06-05 20:28:54,816 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:28:55,049 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:28:55,308 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 20:28:55,578 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-05 20:28:55,830 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2021-06-05 20:28:56,177 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2021-06-05 20:28:56,496 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 20:28:56,974 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 20:28:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:58,211 INFO L93 Difference]: Finished difference Result 163160 states and 504930 transitions. [2021-06-05 20:28:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-05 20:28:58,211 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:28:58,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:58,728 INFO L225 Difference]: With dead ends: 163160 [2021-06-05 20:28:58,728 INFO L226 Difference]: Without dead ends: 163160 [2021-06-05 20:28:58,729 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 6446.7ms TimeCoverageRelationStatistics Valid=1347, Invalid=3345, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 20:28:59,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163160 states. [2021-06-05 20:29:01,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163160 to 127456. [2021-06-05 20:29:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127456 states, 127452 states have (on average 3.097369990270847) internal successors, (394766), 127455 states have internal predecessors, (394766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127456 states to 127456 states and 394766 transitions. [2021-06-05 20:29:01,809 INFO L78 Accepts]: Start accepts. Automaton has 127456 states and 394766 transitions. Word has length 95 [2021-06-05 20:29:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:01,810 INFO L482 AbstractCegarLoop]: Abstraction has 127456 states and 394766 transitions. [2021-06-05 20:29:01,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 127456 states and 394766 transitions. [2021-06-05 20:29:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:29:01,909 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:01,909 INFO L554 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] [2021-06-05 20:29:01,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 20:29:01,909 INFO L430 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:01,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:01,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1582383037, now seen corresponding path program 20 times [2021-06-05 20:29:01,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:01,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743088888] [2021-06-05 20:29:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:02,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:02,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743088888] [2021-06-05 20:29:02,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743088888] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:02,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:02,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:29:02,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264926664] [2021-06-05 20:29:02,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:29:02,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:02,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:29:02,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:29:02,637 INFO L87 Difference]: Start difference. First operand 127456 states and 394766 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:03,939 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2021-06-05 20:29:04,123 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:29:04,288 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:29:04,513 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-06-05 20:29:04,938 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-06-05 20:29:05,489 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-05 20:29:05,733 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 20:29:05,960 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:29:06,186 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:29:06,602 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:29:06,804 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-06-05 20:29:07,039 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-06-05 20:29:07,257 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-05 20:29:07,468 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2021-06-05 20:29:07,692 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:29:07,887 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 20:29:08,167 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-06-05 20:29:08,417 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 20:29:08,631 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 20:29:08,853 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 20:29:09,186 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-05 20:29:09,514 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:29:09,844 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 93 [2021-06-05 20:29:10,227 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 96 [2021-06-05 20:29:10,562 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 88 [2021-06-05 20:29:11,022 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 93 [2021-06-05 20:29:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:12,373 INFO L93 Difference]: Finished difference Result 164892 states and 510198 transitions. [2021-06-05 20:29:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-05 20:29:12,373 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:29:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:12,642 INFO L225 Difference]: With dead ends: 164892 [2021-06-05 20:29:12,642 INFO L226 Difference]: Without dead ends: 164892 [2021-06-05 20:29:12,642 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 7140.6ms TimeCoverageRelationStatistics Valid=1375, Invalid=3455, Unknown=0, NotChecked=0, Total=4830 [2021-06-05 20:29:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164892 states. [2021-06-05 20:29:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164892 to 127456. [2021-06-05 20:29:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127456 states, 127452 states have (on average 3.097369990270847) internal successors, (394766), 127455 states have internal predecessors, (394766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127456 states to 127456 states and 394766 transitions. [2021-06-05 20:29:15,654 INFO L78 Accepts]: Start accepts. Automaton has 127456 states and 394766 transitions. Word has length 95 [2021-06-05 20:29:15,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:15,655 INFO L482 AbstractCegarLoop]: Abstraction has 127456 states and 394766 transitions. [2021-06-05 20:29:15,655 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 127456 states and 394766 transitions. [2021-06-05 20:29:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:29:15,770 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:15,771 INFO L554 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] [2021-06-05 20:29:15,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 20:29:15,771 INFO L430 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:15,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2005535391, now seen corresponding path program 21 times [2021-06-05 20:29:15,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:15,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049859312] [2021-06-05 20:29:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:16,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:16,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049859312] [2021-06-05 20:29:16,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049859312] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:16,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:16,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:29:16,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432823808] [2021-06-05 20:29:16,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:29:16,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:16,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:29:16,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:29:16,410 INFO L87 Difference]: Start difference. First operand 127456 states and 394766 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:18,446 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 20:29:18,639 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-06-05 20:29:18,831 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-06-05 20:29:19,128 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-05 20:29:19,344 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-06-05 20:29:20,284 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-06-05 20:29:20,742 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-05 20:29:20,933 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:29:21,448 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 20:29:22,021 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 20:29:22,156 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-06-05 20:29:22,475 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 20:29:22,644 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 20:29:22,797 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 20:29:22,932 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2021-06-05 20:29:23,276 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 20:29:23,431 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 20:29:23,581 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-06-05 20:29:23,963 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-05 20:29:24,146 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 20:29:24,320 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 20:29:24,453 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-06-05 20:29:24,940 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 20:29:25,140 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 20:29:25,323 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 20:29:25,697 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-05 20:29:25,888 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 20:29:26,065 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 20:29:26,214 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 20:29:26,627 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:29:26,833 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 20:29:27,007 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-06-05 20:29:27,211 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2021-06-05 20:29:27,354 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-06-05 20:29:27,604 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 20:29:27,834 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-06-05 20:29:28,057 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 20:29:28,354 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-05 20:29:28,589 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 20:29:28,787 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 20:29:29,001 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-06-05 20:29:29,248 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 20:29:29,507 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-06-05 20:29:29,729 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-06-05 20:29:29,956 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-06-05 20:29:30,213 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:29:30,439 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 20:29:30,695 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 20:29:30,935 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-06-05 20:29:31,131 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-06-05 20:29:31,446 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-06-05 20:29:31,693 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:29:31,986 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-06-05 20:29:32,246 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:29:32,550 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-06-05 20:29:32,810 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-06-05 20:29:33,016 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 20:29:33,339 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-06-05 20:29:33,634 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-06-05 20:29:33,898 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-06-05 20:29:34,257 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 92 [2021-06-05 20:29:34,576 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-06-05 20:29:34,795 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-05 20:29:35,151 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 20:29:35,504 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-06-05 20:29:35,931 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-06-05 20:29:36,227 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 20:29:36,632 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-06-05 20:29:37,063 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2021-06-05 20:29:37,375 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-06-05 20:29:39,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:39,692 INFO L93 Difference]: Finished difference Result 189847 states and 586405 transitions. [2021-06-05 20:29:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-06-05 20:29:39,693 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:29:39,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:39,999 INFO L225 Difference]: With dead ends: 189847 [2021-06-05 20:29:39,999 INFO L226 Difference]: Without dead ends: 189847 [2021-06-05 20:29:40,000 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3614 ImplicationChecksByTransitivity, 16936.2ms TimeCoverageRelationStatistics Valid=4888, Invalid=13472, Unknown=0, NotChecked=0, Total=18360 [2021-06-05 20:29:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189847 states. [2021-06-05 20:29:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189847 to 138026. [2021-06-05 20:29:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138026 states, 138022 states have (on average 3.0998464012983438) internal successors, (427847), 138025 states have internal predecessors, (427847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138026 states to 138026 states and 427847 transitions. [2021-06-05 20:29:43,489 INFO L78 Accepts]: Start accepts. Automaton has 138026 states and 427847 transitions. Word has length 95 [2021-06-05 20:29:43,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:43,489 INFO L482 AbstractCegarLoop]: Abstraction has 138026 states and 427847 transitions. [2021-06-05 20:29:43,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 138026 states and 427847 transitions. [2021-06-05 20:29:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:29:43,623 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:43,623 INFO L554 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] [2021-06-05 20:29:43,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 20:29:43,623 INFO L430 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:43,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:43,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1190608003, now seen corresponding path program 22 times [2021-06-05 20:29:43,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:43,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126804631] [2021-06-05 20:29:43,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:44,459 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-05 20:29:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:44,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:44,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126804631] [2021-06-05 20:29:44,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126804631] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:44,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:44,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:29:44,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288434568] [2021-06-05 20:29:44,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:29:44,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:44,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:29:44,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:29:44,826 INFO L87 Difference]: Start difference. First operand 138026 states and 427847 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:45,996 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:29:46,209 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:29:46,455 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:29:47,535 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:29:47,799 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 20:29:48,026 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-06-05 20:29:48,263 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:29:48,496 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:29:48,701 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:29:48,942 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:29:49,164 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 20:29:49,429 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-05 20:29:49,637 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-06-05 20:29:49,914 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 20:29:50,212 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-05 20:29:50,437 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 20:29:50,699 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:29:50,946 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:29:51,189 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:29:51,603 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-06-05 20:29:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:53,677 INFO L93 Difference]: Finished difference Result 172038 states and 532125 transitions. [2021-06-05 20:29:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:29:53,677 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:29:53,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:54,011 INFO L225 Difference]: With dead ends: 172038 [2021-06-05 20:29:54,011 INFO L226 Difference]: Without dead ends: 172038 [2021-06-05 20:29:54,011 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 6760.7ms TimeCoverageRelationStatistics Valid=1361, Invalid=4041, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:29:55,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172038 states. [2021-06-05 20:29:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172038 to 149898. [2021-06-05 20:29:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149898 states, 149894 states have (on average 3.1040401883998023) internal successors, (465277), 149897 states have internal predecessors, (465277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149898 states to 149898 states and 465277 transitions. [2021-06-05 20:29:58,120 INFO L78 Accepts]: Start accepts. Automaton has 149898 states and 465277 transitions. Word has length 95 [2021-06-05 20:29:58,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:58,120 INFO L482 AbstractCegarLoop]: Abstraction has 149898 states and 465277 transitions. [2021-06-05 20:29:58,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 149898 states and 465277 transitions. [2021-06-05 20:29:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:29:58,296 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:58,296 INFO L554 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] [2021-06-05 20:29:58,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 20:29:58,296 INFO L430 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:29:58,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:58,297 INFO L82 PathProgramCache]: Analyzing trace with hash -223522919, now seen corresponding path program 23 times [2021-06-05 20:29:58,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:58,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887956673] [2021-06-05 20:29:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:29:58,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:58,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887956673] [2021-06-05 20:29:58,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887956673] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:58,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:58,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:29:58,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699226525] [2021-06-05 20:29:58,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:29:58,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:58,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:29:58,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:29:58,981 INFO L87 Difference]: Start difference. First operand 149898 states and 465277 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:00,077 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:30:00,284 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:00,972 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:30:01,739 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:30:02,010 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:30:02,246 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:30:02,498 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:30:02,737 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:30:02,951 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:30:03,338 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:30:03,565 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:30:03,840 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-06-05 20:30:04,048 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:30:04,342 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-06-05 20:30:04,599 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-05 20:30:04,822 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:30:05,057 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-06-05 20:30:05,317 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2021-06-05 20:30:05,583 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:30:05,986 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 20:30:06,289 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-06-05 20:30:06,571 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-05 20:30:07,022 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-06-05 20:30:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:08,353 INFO L93 Difference]: Finished difference Result 171568 states and 530662 transitions. [2021-06-05 20:30:08,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:30:08,354 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:30:08,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:08,852 INFO L225 Difference]: With dead ends: 171568 [2021-06-05 20:30:08,852 INFO L226 Difference]: Without dead ends: 171568 [2021-06-05 20:30:08,853 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 6410.2ms TimeCoverageRelationStatistics Valid=1303, Invalid=3253, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:30:09,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171568 states. [2021-06-05 20:30:11,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171568 to 152670. [2021-06-05 20:30:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152670 states, 152666 states have (on average 3.1046336446884046) internal successors, (473972), 152669 states have internal predecessors, (473972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152670 states to 152670 states and 473972 transitions. [2021-06-05 20:30:12,370 INFO L78 Accepts]: Start accepts. Automaton has 152670 states and 473972 transitions. Word has length 95 [2021-06-05 20:30:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:12,371 INFO L482 AbstractCegarLoop]: Abstraction has 152670 states and 473972 transitions. [2021-06-05 20:30:12,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 152670 states and 473972 transitions. [2021-06-05 20:30:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:30:12,563 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:12,563 INFO L554 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] [2021-06-05 20:30:12,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 20:30:12,563 INFO L430 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:12,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1427691459, now seen corresponding path program 24 times [2021-06-05 20:30:12,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:12,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713616042] [2021-06-05 20:30:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:13,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:13,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713616042] [2021-06-05 20:30:13,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713616042] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:13,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:13,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:30:13,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510425465] [2021-06-05 20:30:13,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:30:13,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:13,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:30:13,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:30:13,924 INFO L87 Difference]: Start difference. First operand 152670 states and 473972 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:15,063 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:30:15,271 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:15,515 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:30:16,490 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:30:16,846 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:30:16,975 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-05 20:30:17,168 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:17,330 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:17,478 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:30:17,613 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2021-06-05 20:30:17,831 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:30:17,988 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-05 20:30:18,137 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-06-05 20:30:18,360 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:30:18,567 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-06-05 20:30:18,737 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-06-05 20:30:18,866 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-06-05 20:30:19,110 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:30:19,322 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-06-05 20:30:19,473 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:30:19,704 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:30:19,901 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:30:20,074 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:30:20,223 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-06-05 20:30:20,466 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:30:20,670 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:30:20,842 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:30:21,112 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:30:21,329 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:30:21,525 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:30:21,820 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:30:22,048 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:30:22,244 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:30:22,515 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:30:22,763 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:30:23,024 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-05 20:30:23,274 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 20:30:23,495 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:30:23,713 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:30:24,067 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-06-05 20:30:24,412 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:30:24,660 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:30:24,938 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-06-05 20:30:25,249 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 93 [2021-06-05 20:30:25,538 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:30:25,882 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 95 [2021-06-05 20:30:26,270 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 98 [2021-06-05 20:30:26,664 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 92 [2021-06-05 20:30:27,315 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 97 [2021-06-05 20:30:28,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:28,887 INFO L93 Difference]: Finished difference Result 177925 states and 550236 transitions. [2021-06-05 20:30:28,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-05 20:30:28,887 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:30:28,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:29,183 INFO L225 Difference]: With dead ends: 177925 [2021-06-05 20:30:29,183 INFO L226 Difference]: Without dead ends: 177925 [2021-06-05 20:30:29,183 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 12137.5ms TimeCoverageRelationStatistics Valid=2754, Invalid=6558, Unknown=0, NotChecked=0, Total=9312 [2021-06-05 20:30:30,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177925 states. [2021-06-05 20:30:32,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177925 to 143598. [2021-06-05 20:30:32,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143598 states, 143594 states have (on average 3.102232683816873) internal successors, (445462), 143597 states have internal predecessors, (445462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143598 states to 143598 states and 445462 transitions. [2021-06-05 20:30:32,900 INFO L78 Accepts]: Start accepts. Automaton has 143598 states and 445462 transitions. Word has length 95 [2021-06-05 20:30:32,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:32,900 INFO L482 AbstractCegarLoop]: Abstraction has 143598 states and 445462 transitions. [2021-06-05 20:30:32,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 143598 states and 445462 transitions. [2021-06-05 20:30:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:30:33,062 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:33,062 INFO L554 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] [2021-06-05 20:30:33,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 20:30:33,062 INFO L430 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:33,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:33,063 INFO L82 PathProgramCache]: Analyzing trace with hash -2125731937, now seen corresponding path program 25 times [2021-06-05 20:30:33,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:33,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182085729] [2021-06-05 20:30:33,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:33,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:33,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182085729] [2021-06-05 20:30:33,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182085729] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:33,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:33,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:30:33,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378634330] [2021-06-05 20:30:33,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:30:33,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:33,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:30:33,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:30:33,684 INFO L87 Difference]: Start difference. First operand 143598 states and 445462 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:35,374 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:30:35,597 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:35,858 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:30:36,434 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-06-05 20:30:36,811 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:30:37,204 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:30:37,338 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-05 20:30:37,715 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:37,879 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:38,032 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:30:38,174 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-06-05 20:30:38,401 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:30:38,562 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:30:38,714 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-06-05 20:30:38,950 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:30:39,134 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:30:39,309 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:30:39,444 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-06-05 20:30:39,698 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:30:39,898 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 20:30:40,052 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:30:40,313 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:30:40,508 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:30:40,682 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:30:40,830 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-06-05 20:30:41,077 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:30:41,284 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-06-05 20:30:41,457 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:30:41,739 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:30:41,965 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:30:42,164 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:30:42,435 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:30:42,671 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:30:42,894 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:30:43,171 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:30:43,425 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:30:43,703 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 20:30:43,960 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-05 20:30:44,182 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:30:44,400 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:30:44,761 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-06-05 20:30:45,096 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 20:30:45,345 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:30:45,693 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:30:46,020 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 20:30:46,302 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:30:46,676 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 20:30:47,085 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 20:30:47,473 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 20:30:48,070 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 20:30:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:49,903 INFO L93 Difference]: Finished difference Result 174480 states and 539312 transitions. [2021-06-05 20:30:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-05 20:30:49,904 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:30:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:50,200 INFO L225 Difference]: With dead ends: 174480 [2021-06-05 20:30:50,200 INFO L226 Difference]: Without dead ends: 174480 [2021-06-05 20:30:50,200 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 11493.3ms TimeCoverageRelationStatistics Valid=2781, Invalid=6725, Unknown=0, NotChecked=0, Total=9506 [2021-06-05 20:30:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174480 states. [2021-06-05 20:30:52,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174480 to 137326. [2021-06-05 20:30:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137326 states, 137322 states have (on average 3.1001733152735906) internal successors, (425722), 137325 states have internal predecessors, (425722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137326 states to 137326 states and 425722 transitions. [2021-06-05 20:30:53,916 INFO L78 Accepts]: Start accepts. Automaton has 137326 states and 425722 transitions. Word has length 95 [2021-06-05 20:30:53,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:53,916 INFO L482 AbstractCegarLoop]: Abstraction has 137326 states and 425722 transitions. [2021-06-05 20:30:53,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 137326 states and 425722 transitions. [2021-06-05 20:30:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:30:54,050 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:54,050 INFO L554 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] [2021-06-05 20:30:54,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 20:30:54,050 INFO L430 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:30:54,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:54,050 INFO L82 PathProgramCache]: Analyzing trace with hash 571015805, now seen corresponding path program 26 times [2021-06-05 20:30:54,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:54,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073051585] [2021-06-05 20:30:54,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:54,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:54,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073051585] [2021-06-05 20:30:54,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073051585] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:54,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:54,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:30:54,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316910206] [2021-06-05 20:30:54,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:30:54,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:54,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:30:54,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:30:54,724 INFO L87 Difference]: Start difference. First operand 137326 states and 425722 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:56,257 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:30:56,484 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:30:56,738 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:30:57,550 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:30:57,811 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 20:30:58,043 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-06-05 20:30:58,283 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:30:58,510 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:30:58,877 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:30:59,122 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:30:59,341 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-05 20:30:59,599 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-05 20:30:59,803 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-06-05 20:31:00,090 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-05 20:31:00,338 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-05 20:31:00,563 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-05 20:31:00,822 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:31:01,069 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:31:01,364 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:31:01,779 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-06-05 20:31:03,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:03,952 INFO L93 Difference]: Finished difference Result 198812 states and 614964 transitions. [2021-06-05 20:31:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:31:03,969 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:31:03,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:04,351 INFO L225 Difference]: With dead ends: 198812 [2021-06-05 20:31:04,351 INFO L226 Difference]: Without dead ends: 198812 [2021-06-05 20:31:04,353 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 6494.9ms TimeCoverageRelationStatistics Valid=1361, Invalid=4041, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:31:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198812 states. [2021-06-05 20:31:07,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198812 to 149226. [2021-06-05 20:31:07,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149226 states, 149222 states have (on average 3.104347884360215) internal successors, (463237), 149225 states have internal predecessors, (463237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149226 states to 149226 states and 463237 transitions. [2021-06-05 20:31:07,852 INFO L78 Accepts]: Start accepts. Automaton has 149226 states and 463237 transitions. Word has length 95 [2021-06-05 20:31:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:31:07,852 INFO L482 AbstractCegarLoop]: Abstraction has 149226 states and 463237 transitions. [2021-06-05 20:31:07,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 149226 states and 463237 transitions. [2021-06-05 20:31:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:31:08,039 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:08,039 INFO L554 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] [2021-06-05 20:31:08,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 20:31:08,039 INFO L430 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:31:08,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:08,039 INFO L82 PathProgramCache]: Analyzing trace with hash -843115117, now seen corresponding path program 27 times [2021-06-05 20:31:08,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:08,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031977910] [2021-06-05 20:31:08,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:08,816 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-06-05 20:31:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:31:09,383 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:09,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031977910] [2021-06-05 20:31:09,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031977910] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:09,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:09,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:31:09,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822854069] [2021-06-05 20:31:09,384 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:31:09,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:09,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:31:09,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:31:09,384 INFO L87 Difference]: Start difference. First operand 149226 states and 463237 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:10,543 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:31:10,780 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:11,047 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:31:12,192 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:31:12,457 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:31:12,691 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-05 20:31:12,931 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:31:13,159 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-05 20:31:13,373 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:31:13,625 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:31:13,850 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:31:14,126 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-06-05 20:31:14,332 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:31:14,685 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-06-05 20:31:14,927 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-05 20:31:15,149 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:31:15,380 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-06-05 20:31:15,635 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2021-06-05 20:31:15,898 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-05 20:31:16,164 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-06-05 20:31:16,469 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-06-05 20:31:16,750 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-05 20:31:17,269 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-06-05 20:31:18,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:18,651 INFO L93 Difference]: Finished difference Result 198342 states and 613501 transitions. [2021-06-05 20:31:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:31:18,651 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:31:18,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:18,986 INFO L225 Difference]: With dead ends: 198342 [2021-06-05 20:31:18,986 INFO L226 Difference]: Without dead ends: 198342 [2021-06-05 20:31:18,987 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 6784.0ms TimeCoverageRelationStatistics Valid=1303, Invalid=3253, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:31:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198342 states. [2021-06-05 20:31:22,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198342 to 151998. [2021-06-05 20:31:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151998 states, 151994 states have (on average 3.1049383528297168) internal successors, (471932), 151997 states have internal predecessors, (471932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151998 states to 151998 states and 471932 transitions. [2021-06-05 20:31:22,796 INFO L78 Accepts]: Start accepts. Automaton has 151998 states and 471932 transitions. Word has length 95 [2021-06-05 20:31:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:31:22,796 INFO L482 AbstractCegarLoop]: Abstraction has 151998 states and 471932 transitions. [2021-06-05 20:31:22,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 151998 states and 471932 transitions. [2021-06-05 20:31:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:31:22,963 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:22,963 INFO L554 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] [2021-06-05 20:31:22,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 20:31:22,963 INFO L430 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:31:22,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:22,964 INFO L82 PathProgramCache]: Analyzing trace with hash 808099261, now seen corresponding path program 28 times [2021-06-05 20:31:22,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:22,964 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85938053] [2021-06-05 20:31:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:31:23,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:23,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85938053] [2021-06-05 20:31:23,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85938053] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:23,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:23,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:31:23,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982017264] [2021-06-05 20:31:23,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:31:23,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:23,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:31:23,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:31:23,574 INFO L87 Difference]: Start difference. First operand 151998 states and 471932 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:25,413 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:31:25,647 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:25,922 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:31:26,622 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:31:26,875 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:31:27,339 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:27,498 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:27,643 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:31:27,855 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:31:28,022 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-05 20:31:28,246 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:31:28,423 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-06-05 20:31:28,585 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-06-05 20:31:28,815 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:31:29,003 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-06-05 20:31:29,147 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:31:29,372 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-06-05 20:31:29,566 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:31:29,763 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:31:30,007 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:31:30,202 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:31:30,369 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:31:30,631 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:31:30,843 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:31:31,029 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:31:31,281 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-05 20:31:31,519 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:31:31,712 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:31:31,992 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-05 20:31:32,234 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:31:32,519 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-05 20:31:32,762 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 20:31:33,005 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:31:33,217 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:31:33,575 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-06-05 20:31:33,881 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:31:34,121 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:31:34,388 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-06-05 20:31:34,691 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 93 [2021-06-05 20:31:35,036 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:31:35,356 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 95 [2021-06-05 20:31:35,723 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 98 [2021-06-05 20:31:36,114 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 92 [2021-06-05 20:31:36,688 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 97 [2021-06-05 20:31:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:38,409 INFO L93 Difference]: Finished difference Result 204232 states and 631657 transitions. [2021-06-05 20:31:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-05 20:31:38,410 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:31:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:38,760 INFO L225 Difference]: With dead ends: 204232 [2021-06-05 20:31:38,760 INFO L226 Difference]: Without dead ends: 204232 [2021-06-05 20:31:38,760 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1133 ImplicationChecksByTransitivity, 10035.3ms TimeCoverageRelationStatistics Valid=2389, Invalid=5621, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 20:31:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204232 states. [2021-06-05 20:31:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204232 to 143234. [2021-06-05 20:31:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143234 states, 143230 states have (on average 3.102401731480835) internal successors, (444357), 143233 states have internal predecessors, (444357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143234 states to 143234 states and 444357 transitions. [2021-06-05 20:31:43,091 INFO L78 Accepts]: Start accepts. Automaton has 143234 states and 444357 transitions. Word has length 95 [2021-06-05 20:31:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:31:43,092 INFO L482 AbstractCegarLoop]: Abstraction has 143234 states and 444357 transitions. [2021-06-05 20:31:43,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 143234 states and 444357 transitions. [2021-06-05 20:31:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:31:43,302 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:43,302 INFO L554 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] [2021-06-05 20:31:43,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 20:31:43,302 INFO L430 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:31:43,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1549643161, now seen corresponding path program 29 times [2021-06-05 20:31:43,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:43,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443030783] [2021-06-05 20:31:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:44,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:31:44,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:44,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443030783] [2021-06-05 20:31:44,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443030783] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:44,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:44,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:31:44,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464859576] [2021-06-05 20:31:44,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:31:44,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:44,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:31:44,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:31:44,344 INFO L87 Difference]: Start difference. First operand 143234 states and 444357 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:45,590 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2021-06-05 20:31:45,920 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:31:46,196 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:46,524 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:31:47,307 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-06-05 20:31:47,512 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-06-05 20:31:47,715 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:31:47,977 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:31:48,241 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:48,399 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:31:48,543 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-05 20:31:48,757 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:31:48,909 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-06-05 20:31:49,141 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:31:49,321 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:31:49,621 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-06-05 20:31:49,855 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:31:50,044 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 20:31:50,192 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-06-05 20:31:50,418 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:31:50,613 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:31:50,786 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:31:51,036 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-05 20:31:51,237 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-06-05 20:31:51,405 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 20:31:51,670 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-05 20:31:51,888 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-05 20:31:52,080 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:31:52,355 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-05 20:31:52,583 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-06-05 20:31:52,772 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-05 20:31:53,047 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-05 20:31:53,294 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:31:53,549 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 20:31:53,796 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-05 20:31:54,014 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:31:54,227 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:31:54,575 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-06-05 20:31:54,918 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-05 20:31:55,158 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-05 20:31:55,428 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:31:55,729 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 20:31:56,004 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-05 20:31:56,342 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-05 20:31:56,720 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-05 20:31:57,075 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 20:31:57,688 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 20:31:59,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:59,380 INFO L93 Difference]: Finished difference Result 200814 states and 620815 transitions. [2021-06-05 20:31:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 20:31:59,382 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:31:59,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:00,038 INFO L225 Difference]: With dead ends: 200814 [2021-06-05 20:32:00,039 INFO L226 Difference]: Without dead ends: 200814 [2021-06-05 20:32:00,040 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1184 ImplicationChecksByTransitivity, 10979.2ms TimeCoverageRelationStatistics Valid=2416, Invalid=5774, Unknown=0, NotChecked=0, Total=8190 [2021-06-05 20:32:00,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200814 states. [2021-06-05 20:32:02,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200814 to 137354. [2021-06-05 20:32:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137354 states, 137350 states have (on average 3.1001601747360756) internal successors, (425807), 137353 states have internal predecessors, (425807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137354 states to 137354 states and 425807 transitions. [2021-06-05 20:32:03,315 INFO L78 Accepts]: Start accepts. Automaton has 137354 states and 425807 transitions. Word has length 95 [2021-06-05 20:32:03,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:03,315 INFO L482 AbstractCegarLoop]: Abstraction has 137354 states and 425807 transitions. [2021-06-05 20:32:03,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 137354 states and 425807 transitions. [2021-06-05 20:32:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:32:03,445 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:03,445 INFO L554 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] [2021-06-05 20:32:03,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 20:32:03,445 INFO L430 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:03,445 INFO L82 PathProgramCache]: Analyzing trace with hash 35502341, now seen corresponding path program 30 times [2021-06-05 20:32:03,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:03,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246960529] [2021-06-05 20:32:03,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:04,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:04,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246960529] [2021-06-05 20:32:04,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246960529] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:04,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:04,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:32:04,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324389179] [2021-06-05 20:32:04,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:32:04,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:04,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:32:04,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:32:04,161 INFO L87 Difference]: Start difference. First operand 137354 states and 425807 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:04,896 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-06-05 20:32:05,849 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:32:06,078 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:06,344 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:32:07,249 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:32:07,740 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-05 20:32:07,978 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:32:08,221 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 20:32:08,447 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 20:32:08,653 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:32:08,901 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:32:09,124 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 20:32:09,389 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-06-05 20:32:09,599 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:32:09,882 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-06-05 20:32:10,134 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-06-05 20:32:10,403 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 20:32:10,658 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 20:32:10,910 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 20:32:11,151 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 20:32:11,567 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-05 20:32:13,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:13,637 INFO L93 Difference]: Finished difference Result 194362 states and 601439 transitions. [2021-06-05 20:32:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:32:13,637 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:32:13,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:13,950 INFO L225 Difference]: With dead ends: 194362 [2021-06-05 20:32:13,950 INFO L226 Difference]: Without dead ends: 194362 [2021-06-05 20:32:13,951 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 6696.9ms TimeCoverageRelationStatistics Valid=1361, Invalid=4041, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:32:15,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194362 states. [2021-06-05 20:32:16,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194362 to 148610. [2021-06-05 20:32:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148610 states, 148606 states have (on average 3.1047804260931593) internal successors, (461389), 148609 states have internal predecessors, (461389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148610 states to 148610 states and 461389 transitions. [2021-06-05 20:32:17,857 INFO L78 Accepts]: Start accepts. Automaton has 148610 states and 461389 transitions. Word has length 95 [2021-06-05 20:32:17,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:17,857 INFO L482 AbstractCegarLoop]: Abstraction has 148610 states and 461389 transitions. [2021-06-05 20:32:17,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 148610 states and 461389 transitions. [2021-06-05 20:32:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:32:18,089 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:18,089 INFO L554 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] [2021-06-05 20:32:18,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 20:32:18,089 INFO L430 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:18,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:18,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1378628581, now seen corresponding path program 31 times [2021-06-05 20:32:18,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:18,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756066120] [2021-06-05 20:32:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:18,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:18,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756066120] [2021-06-05 20:32:18,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756066120] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:18,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:18,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:32:18,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307322678] [2021-06-05 20:32:18,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:32:18,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:18,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:32:18,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:32:18,824 INFO L87 Difference]: Start difference. First operand 148610 states and 461389 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:19,942 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:32:20,556 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:20,804 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:32:21,594 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:32:21,849 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-06-05 20:32:22,076 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-06-05 20:32:22,319 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:32:22,549 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-05 20:32:22,764 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:32:23,131 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:32:23,357 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:32:23,621 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:32:23,824 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-06-05 20:32:24,121 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-06-05 20:32:24,374 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 20:32:24,597 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-06-05 20:32:24,827 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-05 20:32:25,079 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-05 20:32:25,337 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:32:25,650 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-05 20:32:25,950 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-06-05 20:32:26,232 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 88 [2021-06-05 20:32:26,675 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 93 [2021-06-05 20:32:28,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:28,126 INFO L93 Difference]: Finished difference Result 193892 states and 599976 transitions. [2021-06-05 20:32:28,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:32:28,127 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:32:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:28,451 INFO L225 Difference]: With dead ends: 193892 [2021-06-05 20:32:28,451 INFO L226 Difference]: Without dead ends: 193892 [2021-06-05 20:32:28,452 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 6711.2ms TimeCoverageRelationStatistics Valid=1303, Invalid=3253, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 20:32:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193892 states. [2021-06-05 20:32:31,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193892 to 151382. [2021-06-05 20:32:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151382 states, 151378 states have (on average 3.1053653767390244) internal successors, (470084), 151381 states have internal predecessors, (470084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:31,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151382 states to 151382 states and 470084 transitions. [2021-06-05 20:32:31,764 INFO L78 Accepts]: Start accepts. Automaton has 151382 states and 470084 transitions. Word has length 95 [2021-06-05 20:32:31,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:31,764 INFO L482 AbstractCegarLoop]: Abstraction has 151382 states and 470084 transitions. [2021-06-05 20:32:31,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 151382 states and 470084 transitions. [2021-06-05 20:32:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:32:31,932 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:31,932 INFO L554 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] [2021-06-05 20:32:31,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 20:32:31,932 INFO L430 AbstractCegarLoop]: === Iteration 35 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:31,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:31,932 INFO L82 PathProgramCache]: Analyzing trace with hash 272585797, now seen corresponding path program 32 times [2021-06-05 20:32:31,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:31,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727895146] [2021-06-05 20:32:31,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:32,616 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-06-05 20:32:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:33,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:33,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727895146] [2021-06-05 20:32:33,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727895146] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:33,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:33,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:32:33,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885822677] [2021-06-05 20:32:33,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:32:33,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:33,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:32:33,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:32:33,398 INFO L87 Difference]: Start difference. First operand 151382 states and 470084 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:34,744 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:32:34,971 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:35,240 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:32:36,125 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:32:36,456 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:36,611 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:36,824 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:32:37,047 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-06-05 20:32:37,217 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-06-05 20:32:37,442 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:32:37,626 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-06-05 20:32:37,844 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-06-05 20:32:38,034 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:32:38,202 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:32:38,435 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-06-05 20:32:38,652 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-06-05 20:32:38,909 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:32:39,116 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-06-05 20:32:39,300 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:32:39,544 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:32:39,765 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-06-05 20:32:39,954 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-05 20:32:40,226 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:32:40,459 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-06-05 20:32:40,697 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-06-05 20:32:40,933 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-05 20:32:41,180 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-05 20:32:41,388 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-06-05 20:32:41,713 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-06-05 20:32:42,006 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:32:42,237 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:32:42,497 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-05 20:32:42,773 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-06-05 20:32:43,050 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 20:32:43,353 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2021-06-05 20:32:43,751 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2021-06-05 20:32:44,108 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-06-05 20:32:44,649 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 20:32:46,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:46,386 INFO L93 Difference]: Finished difference Result 198827 states and 615230 transitions. [2021-06-05 20:32:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-05 20:32:46,387 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:32:46,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:46,728 INFO L225 Difference]: With dead ends: 198827 [2021-06-05 20:32:46,728 INFO L226 Difference]: Without dead ends: 198827 [2021-06-05 20:32:46,728 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 9817.1ms TimeCoverageRelationStatistics Valid=2033, Invalid=4773, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 20:32:47,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198827 states. [2021-06-05 20:32:49,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198827 to 142926. [2021-06-05 20:32:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142926 states, 142922 states have (on average 3.102699374483984) internal successors, (443444), 142925 states have internal predecessors, (443444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142926 states to 142926 states and 443444 transitions. [2021-06-05 20:32:49,967 INFO L78 Accepts]: Start accepts. Automaton has 142926 states and 443444 transitions. Word has length 95 [2021-06-05 20:32:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:49,967 INFO L482 AbstractCegarLoop]: Abstraction has 142926 states and 443444 transitions. [2021-06-05 20:32:49,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 142926 states and 443444 transitions. [2021-06-05 20:32:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:32:50,120 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:50,121 INFO L554 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] [2021-06-05 20:32:50,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 20:32:50,121 INFO L430 AbstractCegarLoop]: === Iteration 36 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:32:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:50,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1014129697, now seen corresponding path program 33 times [2021-06-05 20:32:50,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:50,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303738561] [2021-06-05 20:32:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:51,470 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:51,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303738561] [2021-06-05 20:32:51,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303738561] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:32:51,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:32:51,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:32:51,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257989858] [2021-06-05 20:32:51,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:32:51,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:51,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:32:51,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:32:51,472 INFO L87 Difference]: Start difference. First operand 142926 states and 443444 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:52,719 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-06-05 20:32:52,936 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:53,192 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 20:32:53,641 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-06-05 20:32:53,894 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-06-05 20:32:54,474 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:54,632 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:32:54,845 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-06-05 20:32:55,071 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:32:55,242 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:32:55,468 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-05 20:32:55,650 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-06-05 20:32:55,869 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-05 20:32:56,054 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-05 20:32:56,219 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-05 20:32:56,455 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-06-05 20:32:56,650 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-06-05 20:32:56,941 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:32:57,151 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-05 20:32:57,337 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-05 20:32:57,572 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-06-05 20:32:57,793 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:32:57,979 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-05 20:32:58,241 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 20:32:58,480 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:32:58,731 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-06-05 20:32:58,971 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-05 20:32:59,182 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-05 20:32:59,422 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-06-05 20:32:59,729 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-06-05 20:33:00,020 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-05 20:33:00,256 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:33:00,521 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 20:33:00,808 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-06-05 20:33:01,080 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-06-05 20:33:01,400 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2021-06-05 20:33:01,758 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 96 [2021-06-05 20:33:02,140 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 88 [2021-06-05 20:33:02,662 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-06-05 20:33:04,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:33:04,216 INFO L93 Difference]: Finished difference Result 195436 states and 604470 transitions. [2021-06-05 20:33:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 20:33:04,217 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:33:04,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:33:04,735 INFO L225 Difference]: With dead ends: 195436 [2021-06-05 20:33:04,735 INFO L226 Difference]: Without dead ends: 195436 [2021-06-05 20:33:04,735 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 957 ImplicationChecksByTransitivity, 9771.7ms TimeCoverageRelationStatistics Valid=2060, Invalid=4912, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 20:33:05,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195436 states. [2021-06-05 20:33:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195436 to 137438. [2021-06-05 20:33:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137438 states, 137434 states have (on average 3.100280862086529) internal successors, (426084), 137437 states have internal predecessors, (426084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137438 states to 137438 states and 426084 transitions. [2021-06-05 20:33:07,999 INFO L78 Accepts]: Start accepts. Automaton has 137438 states and 426084 transitions. Word has length 95 [2021-06-05 20:33:07,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:33:07,999 INFO L482 AbstractCegarLoop]: Abstraction has 137438 states and 426084 transitions. [2021-06-05 20:33:07,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 137438 states and 426084 transitions. [2021-06-05 20:33:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:33:08,131 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:33:08,131 INFO L554 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] [2021-06-05 20:33:08,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-05 20:33:08,131 INFO L430 AbstractCegarLoop]: === Iteration 37 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:33:08,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:33:08,132 INFO L82 PathProgramCache]: Analyzing trace with hash -411491597, now seen corresponding path program 34 times [2021-06-05 20:33:08,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:33:08,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120121666] [2021-06-05 20:33:08,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:33:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:33:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:33:09,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:33:09,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120121666] [2021-06-05 20:33:09,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120121666] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:33:09,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:33:09,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:33:09,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027675914] [2021-06-05 20:33:09,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:33:09,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:33:09,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:33:09,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:33:09,326 INFO L87 Difference]: Start difference. First operand 137438 states and 426084 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:10,549 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:33:10,731 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:33:10,971 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:33:11,767 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-05 20:33:12,222 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-05 20:33:12,455 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-05 20:33:12,685 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-05 20:33:12,920 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-05 20:33:13,120 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:33:13,364 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-06-05 20:33:13,582 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-06-05 20:33:13,839 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:33:14,044 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-05 20:33:14,325 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:33:14,619 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-06-05 20:33:14,840 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 20:33:15,105 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-06-05 20:33:15,352 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-06-05 20:33:15,584 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-06-05 20:33:15,990 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-05 20:33:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:33:18,058 INFO L93 Difference]: Finished difference Result 191004 states and 591733 transitions. [2021-06-05 20:33:18,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 20:33:18,059 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:33:18,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:33:18,373 INFO L225 Difference]: With dead ends: 191004 [2021-06-05 20:33:18,374 INFO L226 Difference]: Without dead ends: 191004 [2021-06-05 20:33:18,374 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 6645.5ms TimeCoverageRelationStatistics Valid=1361, Invalid=4041, Unknown=0, NotChecked=0, Total=5402 [2021-06-05 20:33:19,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191004 states. [2021-06-05 20:33:21,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191004 to 144158. [2021-06-05 20:33:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144158 states, 144154 states have (on average 3.102321128792819) internal successors, (447212), 144157 states have internal predecessors, (447212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144158 states to 144158 states and 447212 transitions. [2021-06-05 20:33:22,339 INFO L78 Accepts]: Start accepts. Automaton has 144158 states and 447212 transitions. Word has length 95 [2021-06-05 20:33:22,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:33:22,339 INFO L482 AbstractCegarLoop]: Abstraction has 144158 states and 447212 transitions. [2021-06-05 20:33:22,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 144158 states and 447212 transitions. [2021-06-05 20:33:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:33:22,528 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:33:22,528 INFO L554 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] [2021-06-05 20:33:22,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-05 20:33:22,528 INFO L430 AbstractCegarLoop]: === Iteration 38 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:33:22,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:33:22,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1825622519, now seen corresponding path program 35 times [2021-06-05 20:33:22,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:33:22,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429118563] [2021-06-05 20:33:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:33:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:33:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:33:23,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:33:23,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429118563] [2021-06-05 20:33:23,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429118563] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:33:23,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:33:23,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:33:23,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75140440] [2021-06-05 20:33:23,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:33:23,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:33:23,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:33:23,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:33:23,359 INFO L87 Difference]: Start difference. First operand 144158 states and 447212 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:24,416 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-06-05 20:33:25,033 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-06-05 20:33:25,236 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2021-06-05 20:33:25,504 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2021-06-05 20:33:26,393 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 70 [2021-06-05 20:33:26,675 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 75 [2021-06-05 20:33:26,959 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 74 [2021-06-05 20:33:27,235 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 78 [2021-06-05 20:33:27,651 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-06-05 20:33:27,907 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 82 [2021-06-05 20:33:28,196 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-06-05 20:33:28,466 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 85 [2021-06-05 20:33:28,773 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 87 [2021-06-05 20:33:29,013 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2021-06-05 20:33:29,347 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 90 [2021-06-05 20:33:29,633 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-06-05 20:33:29,932 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 82 [2021-06-05 20:33:30,195 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 85 [2021-06-05 20:33:30,482 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 89 [2021-06-05 20:33:30,777 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 87 [2021-06-05 20:33:31,072 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2021-06-05 20:33:31,404 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 96 [2021-06-05 20:33:31,722 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 88 [2021-06-05 20:33:32,210 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-06-05 20:33:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:33:33,590 INFO L93 Difference]: Finished difference Result 190534 states and 590270 transitions. [2021-06-05 20:33:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 20:33:33,591 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:33:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:33:33,889 INFO L225 Difference]: With dead ends: 190534 [2021-06-05 20:33:33,889 INFO L226 Difference]: Without dead ends: 190534 [2021-06-05 20:33:33,890 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 7640.7ms TimeCoverageRelationStatistics Valid=1329, Invalid=3363, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 20:33:35,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190534 states. [2021-06-05 20:33:36,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190534 to 145418. [2021-06-05 20:33:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145418 states, 145414 states have (on average 3.1025142008334825) internal successors, (451149), 145417 states have internal predecessors, (451149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145418 states to 145418 states and 451149 transitions. [2021-06-05 20:33:37,840 INFO L78 Accepts]: Start accepts. Automaton has 145418 states and 451149 transitions. Word has length 95 [2021-06-05 20:33:37,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:33:37,840 INFO L482 AbstractCegarLoop]: Abstraction has 145418 states and 451149 transitions. [2021-06-05 20:33:37,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:37,841 INFO L276 IsEmpty]: Start isEmpty. Operand 145418 states and 451149 transitions. [2021-06-05 20:33:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:33:38,004 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:33:38,004 INFO L554 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] [2021-06-05 20:33:38,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-05 20:33:38,004 INFO L430 AbstractCegarLoop]: === Iteration 39 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:33:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:33:38,004 INFO L82 PathProgramCache]: Analyzing trace with hash -174408141, now seen corresponding path program 36 times [2021-06-05 20:33:38,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:33:38,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793592972] [2021-06-05 20:33:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:33:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:33:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:33:38,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:33:38,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793592972] [2021-06-05 20:33:38,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793592972] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:33:38,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:33:38,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-06-05 20:33:38,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008065759] [2021-06-05 20:33:38,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 20:33:38,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:33:38,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 20:33:38,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-05 20:33:38,830 INFO L87 Difference]: Start difference. First operand 145418 states and 451149 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:40,073 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 54 [2021-06-05 20:33:40,287 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2021-06-05 20:33:40,501 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-06-05 20:33:40,698 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-06-05 20:33:40,959 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-06-05 20:33:41,790 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-06-05 20:33:42,052 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-06-05 20:33:42,316 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 72 [2021-06-05 20:33:42,711 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 76 [2021-06-05 20:33:42,972 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 77 [2021-06-05 20:33:43,226 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-06-05 20:33:43,497 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-06-05 20:33:43,749 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-06-05 20:33:43,991 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-06-05 20:33:44,250 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-06-05 20:33:44,479 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 75 [2021-06-05 20:33:44,809 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-06-05 20:33:45,133 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-06-05 20:33:45,380 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-06-05 20:33:45,649 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-06-05 20:33:45,938 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 89 [2021-06-05 20:33:46,232 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-06-05 20:33:46,519 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 93 [2021-06-05 20:33:46,848 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 96 [2021-06-05 20:33:47,166 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-06-05 20:33:47,711 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-06-05 20:33:49,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:33:49,015 INFO L93 Difference]: Finished difference Result 192532 states and 596373 transitions. [2021-06-05 20:33:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-05 20:33:49,015 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:33:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:33:49,334 INFO L225 Difference]: With dead ends: 192532 [2021-06-05 20:33:49,334 INFO L226 Difference]: Without dead ends: 192532 [2021-06-05 20:33:49,334 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 7725.5ms TimeCoverageRelationStatistics Valid=1375, Invalid=3455, Unknown=0, NotChecked=0, Total=4830 [2021-06-05 20:33:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192532 states. [2021-06-05 20:33:52,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192532 to 141274. [2021-06-05 20:33:53,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141274 states, 141270 states have (on average 3.1015006724711545) internal successors, (438149), 141273 states have internal predecessors, (438149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141274 states to 141274 states and 438149 transitions. [2021-06-05 20:33:53,430 INFO L78 Accepts]: Start accepts. Automaton has 141274 states and 438149 transitions. Word has length 95 [2021-06-05 20:33:53,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:33:53,430 INFO L482 AbstractCegarLoop]: Abstraction has 141274 states and 438149 transitions. [2021-06-05 20:33:53,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 141274 states and 438149 transitions. [2021-06-05 20:33:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:33:53,560 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:33:53,560 INFO L554 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] [2021-06-05 20:33:53,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-05 20:33:53,560 INFO L430 AbstractCegarLoop]: === Iteration 40 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:33:53,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:33:53,562 INFO L82 PathProgramCache]: Analyzing trace with hash 567135759, now seen corresponding path program 37 times [2021-06-05 20:33:53,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:33:53,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721223036] [2021-06-05 20:33:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:33:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:33:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:33:54,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:33:54,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721223036] [2021-06-05 20:33:54,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721223036] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:33:54,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:33:54,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:33:54,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822294732] [2021-06-05 20:33:54,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:33:54,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:33:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:33:54,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:33:54,883 INFO L87 Difference]: Start difference. First operand 141274 states and 438149 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:56,122 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:33:56,310 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-05 20:33:56,572 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-05 20:33:57,362 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2021-06-05 20:33:58,012 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-05 20:33:58,275 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-06-05 20:33:58,546 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-06-05 20:33:58,792 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-06-05 20:33:59,041 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-05 20:33:59,256 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:33:59,509 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-06-05 20:33:59,737 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-05 20:34:00,015 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-05 20:34:00,255 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-05 20:34:00,464 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-05 20:34:00,766 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-06-05 20:34:01,038 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-05 20:34:01,262 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-05 20:34:01,507 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-06-05 20:34:01,781 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-06-05 20:34:02,042 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-06-05 20:34:02,324 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-06-05 20:34:02,695 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2021-06-05 20:34:02,990 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-06-05 20:34:03,458 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-06-05 20:34:05,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:34:05,051 INFO L93 Difference]: Finished difference Result 194352 states and 601898 transitions. [2021-06-05 20:34:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-05 20:34:05,052 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:34:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:34:05,346 INFO L225 Difference]: With dead ends: 194352 [2021-06-05 20:34:05,347 INFO L226 Difference]: Without dead ends: 194352 [2021-06-05 20:34:05,347 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 6995.3ms TimeCoverageRelationStatistics Valid=1375, Invalid=3455, Unknown=0, NotChecked=0, Total=4830 [2021-06-05 20:34:06,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194352 states. [2021-06-05 20:34:08,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194352 to 137746. [2021-06-05 20:34:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137746 states, 137742 states have (on average 3.1003397656488216) internal successors, (427047), 137745 states have internal predecessors, (427047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:34:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137746 states to 137746 states and 427047 transitions. [2021-06-05 20:34:08,569 INFO L78 Accepts]: Start accepts. Automaton has 137746 states and 427047 transitions. Word has length 95 [2021-06-05 20:34:08,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:34:08,569 INFO L482 AbstractCegarLoop]: Abstraction has 137746 states and 427047 transitions. [2021-06-05 20:34:08,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:34:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 137746 states and 427047 transitions. [2021-06-05 20:34:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:34:08,693 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:34:08,693 INFO L554 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] [2021-06-05 20:34:08,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-05 20:34:08,693 INFO L430 AbstractCegarLoop]: === Iteration 41 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:34:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:34:08,693 INFO L82 PathProgramCache]: Analyzing trace with hash -139913109, now seen corresponding path program 38 times [2021-06-05 20:34:08,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:34:08,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394645965] [2021-06-05 20:34:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:34:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:34:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:34:09,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:34:09,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394645965] [2021-06-05 20:34:09,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394645965] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:34:09,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:34:09,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-05 20:34:09,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060117037] [2021-06-05 20:34:09,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 20:34:09,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:34:09,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 20:34:09,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-05 20:34:09,805 INFO L87 Difference]: Start difference. First operand 137746 states and 427047 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:34:11,291 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-05 20:34:11,464 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-05 20:34:11,644 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-05 20:34:11,842 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-06-05 20:34:12,041 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-06-05 20:34:12,628 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-05 20:34:12,947 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-05 20:34:13,147 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-05 20:34:13,512 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-06-05 20:34:13,911 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 20:34:14,259 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-05 20:34:14,413 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-06-05 20:34:14,555 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 20:34:14,687 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2021-06-05 20:34:14,918 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 20:34:15,070 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-06-05 20:34:15,228 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-06-05 20:34:15,477 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-05 20:34:15,651 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-06-05 20:34:15,814 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-06-05 20:34:16,198 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-05 20:34:16,387 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-05 20:34:16,532 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-06-05 20:34:16,775 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-06-05 20:34:16,963 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 20:34:17,129 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-06-05 20:34:17,270 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 20:34:17,529 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-05 20:34:17,728 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-05 20:34:17,917 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-06-05 20:34:18,201 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:34:18,428 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-06-05 20:34:18,630 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-06-05 20:34:18,904 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-06-05 20:34:19,133 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-06-05 20:34:19,323 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-05 20:34:19,607 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 20:34:19,854 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-05 20:34:20,132 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-05 20:34:20,401 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-06-05 20:34:20,653 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-05 20:34:20,866 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-05 20:34:21,113 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-05 20:34:21,436 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-06-05 20:34:21,765 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-05 20:34:22,005 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-06-05 20:34:22,295 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-06-05 20:34:22,559 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-06-05 20:34:22,850 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-06-05 20:34:23,174 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-05 20:34:23,441 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-06-05 20:34:23,783 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 97 [2021-06-05 20:34:24,094 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-06-05 20:34:24,463 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2021-06-05 20:34:24,806 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-06-05 20:34:25,141 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-06-05 20:34:25,425 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-06-05 20:34:26,053 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-06-05 20:34:26,343 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-06-05 20:34:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:34:28,445 INFO L93 Difference]: Finished difference Result 197096 states and 609658 transitions. [2021-06-05 20:34:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 20:34:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-06-05 20:34:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:34:28,759 INFO L225 Difference]: With dead ends: 197096 [2021-06-05 20:34:28,759 INFO L226 Difference]: Without dead ends: 197096 [2021-06-05 20:34:28,760 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1955 ImplicationChecksByTransitivity, 14064.6ms TimeCoverageRelationStatistics Valid=3640, Invalid=8792, Unknown=0, NotChecked=0, Total=12432 [2021-06-05 20:34:29,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197096 states. [2021-06-05 20:34:31,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197096 to 137746. [2021-06-05 20:34:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137746 states, 137742 states have (on average 3.1003397656488216) internal successors, (427047), 137745 states have internal predecessors, (427047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:34:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137746 states to 137746 states and 427047 transitions. [2021-06-05 20:34:31,965 INFO L78 Accepts]: Start accepts. Automaton has 137746 states and 427047 transitions. Word has length 95 [2021-06-05 20:34:31,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:34:31,965 INFO L482 AbstractCegarLoop]: Abstraction has 137746 states and 427047 transitions. [2021-06-05 20:34:31,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:34:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 137746 states and 427047 transitions. [2021-06-05 20:34:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-06-05 20:34:32,099 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:34:32,099 INFO L554 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] [2021-06-05 20:34:32,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-05 20:34:32,099 INFO L430 AbstractCegarLoop]: === Iteration 42 === [reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 20:34:32,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:34:32,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1958244619, now seen corresponding path program 39 times [2021-06-05 20:34:32,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:34:32,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009995268] [2021-06-05 20:34:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:34:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-06-05 20:34:32,222 WARN L222 SmtUtils]: Removed 2 from assertion stack [2021-06-05 20:34:32,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-05 20:34:32,224 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 20:34:32,224 INFO L301 ceAbstractionStarter]: Result for error location reader_twoThread1of1ForFork1 was TIMEOUT (3/3) [2021-06-05 20:34:32,225 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 20:34:32,227 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 20:34:32,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:34:32 BasicIcfg [2021-06-05 20:34:32,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 20:34:32,227 INFO L168 Benchmark]: Toolchain (without parser) took 679765.76 ms. Allocated memory was 356.5 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 318.5 MB in the beginning and 12.4 GB in the end (delta: -12.1 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.0 GB. [2021-06-05 20:34:32,227 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 356.5 MB. Free memory was 337.1 MB in the beginning and 337.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:34:32,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.36 ms. Allocated memory is still 356.5 MB. Free memory was 318.4 MB in the beginning and 281.3 MB in the end (delta: 37.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.0 GB. [2021-06-05 20:34:32,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.26 ms. Allocated memory is still 356.5 MB. Free memory was 281.3 MB in the beginning and 279.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 20:34:32,227 INFO L168 Benchmark]: Boogie Preprocessor took 42.35 ms. Allocated memory is still 356.5 MB. Free memory was 279.2 MB in the beginning and 277.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 20:34:32,227 INFO L168 Benchmark]: RCFGBuilder took 675.60 ms. Allocated memory is still 356.5 MB. Free memory was 277.1 MB in the beginning and 235.2 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-06-05 20:34:32,228 INFO L168 Benchmark]: TraceAbstraction took 678185.85 ms. Allocated memory was 356.5 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 234.1 MB in the beginning and 12.4 GB in the end (delta: -12.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.0 GB. [2021-06-05 20:34:32,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 356.5 MB. Free memory was 337.1 MB in the beginning and 337.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 797.36 ms. Allocated memory is still 356.5 MB. Free memory was 318.4 MB in the beginning and 281.3 MB in the end (delta: 37.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.26 ms. Allocated memory is still 356.5 MB. Free memory was 281.3 MB in the beginning and 279.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.35 ms. Allocated memory is still 356.5 MB. Free memory was 279.2 MB in the beginning and 277.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 675.60 ms. Allocated memory is still 356.5 MB. Free memory was 277.1 MB in the beginning and 235.2 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 678185.85 ms. Allocated memory was 356.5 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 234.1 MB in the beginning and 12.4 GB in the end (delta: -12.2 GB). Peak memory consumption was 3.4 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 Cancelled while BasicCegarLoop was analyzing trace of length 96 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 1ms.. - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 96 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 1ms.. - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 96 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 1ms.. - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 96 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_two with 1 thread instances CFG has 5 procedures, 296 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7063.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 668.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6391.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75485occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 296 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6312.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 326.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5985.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75485occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_twoThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 296 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 664568.2ms, OverallIterations: 42, TraceHistogramMax: 1, EmptinessCheckTime: 6050.7ms, AutomataDifference: 477080.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5954.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 45007 SDtfs, 108635 SDslu, 442146 SDs, 0 SdLazy, 222762 SolverSat, 3507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 98611.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3310 GetRequests, 150 SyntacticMatches, 32 SemanticMatches, 3128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38329 ImplicationChecksByTransitivity, 346488.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=152670occurred in iteration=26, InterpolantAutomatonStates: 2162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 134997.4ms AutomataMinimizationTime, 41 MinimizatonAttempts, 1546399 StatesRemovedByMinimization, 41 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 94.0ms SsaConstructionTime, 690.8ms SatisfiabilityAnalysisTime, 39231.9ms InterpolantComputationTime, 3842 NumberOfCodeBlocks, 3842 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 3801 ConstructedInterpolants, 0 QuantifiedInterpolants, 67714 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 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