/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:38:11,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:38:11,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:38:11,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:38:11,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:38:11,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:38:11,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:38:11,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:38:11,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:38:11,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:38:11,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:38:11,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:38:11,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:38:11,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:38:11,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:38:11,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:38:11,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:38:11,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:38:11,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:38:11,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:38:11,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:38:11,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:38:11,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:38:11,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:38:11,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:38:11,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:38:11,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:38:11,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:38:11,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:38:11,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:38:11,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:38:11,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:38:11,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:38:11,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:38:11,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:38:11,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:38:11,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:38:11,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:38:11,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:38:11,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:38:11,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:38:11,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:38:11,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:38:11,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:38:11,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:38:11,648 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:38:11,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:38:11,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:38:11,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:38:11,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:38:11,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:38:11,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:38:11,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:38:11,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:38:11,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:38:11,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:38:11,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:38:11,652 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:38:11,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:38:11,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:38:11,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:38:11,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:38:11,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:38:11,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:38:11,654 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:38:12,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:38:12,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:38:12,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:38:12,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:38:12,091 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:38:12,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci03.c [2020-10-24 00:38:12,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea6cd5e7/30f66bfca4f546ac8aa17c90d1affaee/FLAG7c316e519 [2020-10-24 00:38:12,806 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:38:12,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci03.c [2020-10-24 00:38:12,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea6cd5e7/30f66bfca4f546ac8aa17c90d1affaee/FLAG7c316e519 [2020-10-24 00:38:13,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea6cd5e7/30f66bfca4f546ac8aa17c90d1affaee [2020-10-24 00:38:13,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:38:13,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:38:13,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:38:13,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:38:13,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:38:13,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3ebcb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13, skipping insertion in model container [2020-10-24 00:38:13,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:38:13,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:38:13,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:38:13,418 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:38:13,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:38:13,453 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:38:13,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13 WrapperNode [2020-10-24 00:38:13,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:38:13,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:38:13,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:38:13,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:38:13,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (1/1) ... [2020-10-24 00:38:13,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:38:13,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:38:13,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:38:13,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:38:13,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (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 [2020-10-24 00:38:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:38:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:38:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:38:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-10-24 00:38:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:38:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:38:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:38:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:38:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:38:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:38:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-10-24 00:38:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:38:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:38:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:38:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:38:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:38:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:38:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:38:13,916 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:38:13,916 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 00:38:13,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:38:13 BoogieIcfgContainer [2020-10-24 00:38:13,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:38:13,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:38:13,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:38:13,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:38:13,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:38:13" (1/3) ... [2020-10-24 00:38:13,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adebbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:38:13, skipping insertion in model container [2020-10-24 00:38:13,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:38:13" (2/3) ... [2020-10-24 00:38:13,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adebbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:38:13, skipping insertion in model container [2020-10-24 00:38:13,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:38:13" (3/3) ... [2020-10-24 00:38:13,928 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-10-24 00:38:13,944 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:38:13,950 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 00:38:13,970 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 00:38:13,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:38:13,999 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:38:13,999 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:38:13,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:38:13,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:38:13,999 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:38:13,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:38:14,000 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:38:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-24 00:38:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-24 00:38:14,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:14,034 INFO L422 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] [2020-10-24 00:38:14,035 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:14,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:14,056 INFO L82 PathProgramCache]: Analyzing trace with hash 274389233, now seen corresponding path program 1 times [2020-10-24 00:38:14,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:14,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715215593] [2020-10-24 00:38:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:14,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:14,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:38:14,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715215593] [2020-10-24 00:38:14,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:38:14,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 00:38:14,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266543801] [2020-10-24 00:38:14,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 00:38:14,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:14,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 00:38:14,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-24 00:38:14,672 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 6 states. [2020-10-24 00:38:15,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:15,430 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2020-10-24 00:38:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 00:38:15,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-24 00:38:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:15,445 INFO L225 Difference]: With dead ends: 63 [2020-10-24 00:38:15,445 INFO L226 Difference]: Without dead ends: 40 [2020-10-24 00:38:15,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:38:15,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-24 00:38:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-24 00:38:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-24 00:38:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-10-24 00:38:15,576 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 28 [2020-10-24 00:38:15,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:15,576 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-10-24 00:38:15,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:38:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-10-24 00:38:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-24 00:38:15,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:15,583 INFO L422 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] [2020-10-24 00:38:15,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:38:15,585 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:15,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:15,586 INFO L82 PathProgramCache]: Analyzing trace with hash -393682023, now seen corresponding path program 1 times [2020-10-24 00:38:15,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:15,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532856071] [2020-10-24 00:38:15,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:15,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:38:15,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532856071] [2020-10-24 00:38:15,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:38:15,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 00:38:15,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086778275] [2020-10-24 00:38:15,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 00:38:15,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:15,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 00:38:15,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-24 00:38:15,796 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2020-10-24 00:38:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:16,251 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2020-10-24 00:38:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 00:38:16,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-24 00:38:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:16,254 INFO L225 Difference]: With dead ends: 49 [2020-10-24 00:38:16,254 INFO L226 Difference]: Without dead ends: 42 [2020-10-24 00:38:16,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:38:16,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-24 00:38:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2020-10-24 00:38:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-24 00:38:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-10-24 00:38:16,271 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 29 [2020-10-24 00:38:16,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:16,272 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-10-24 00:38:16,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:38:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-10-24 00:38:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-24 00:38:16,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:16,274 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:16,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:38:16,275 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:16,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:16,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1206167652, now seen corresponding path program 1 times [2020-10-24 00:38:16,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:16,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667888203] [2020-10-24 00:38:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-24 00:38:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-24 00:38:16,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667888203] [2020-10-24 00:38:16,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:16,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 00:38:16,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237046580] [2020-10-24 00:38:16,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:38:16,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:16,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:38:16,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:38:16,485 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 7 states. [2020-10-24 00:38:16,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:16,985 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2020-10-24 00:38:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:38:16,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-10-24 00:38:16,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:16,990 INFO L225 Difference]: With dead ends: 65 [2020-10-24 00:38:16,990 INFO L226 Difference]: Without dead ends: 42 [2020-10-24 00:38:16,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:38:16,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-24 00:38:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-24 00:38:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-24 00:38:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-24 00:38:17,006 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 45 [2020-10-24 00:38:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:17,006 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-24 00:38:17,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:38:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-24 00:38:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-24 00:38:17,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:17,009 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:17,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:38:17,009 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:17,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:17,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1636516106, now seen corresponding path program 1 times [2020-10-24 00:38:17,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:17,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383740006] [2020-10-24 00:38:17,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:38:17,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383740006] [2020-10-24 00:38:17,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:17,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 00:38:17,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401725555] [2020-10-24 00:38:17,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:38:17,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:17,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:38:17,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:38:17,175 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2020-10-24 00:38:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:17,822 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2020-10-24 00:38:17,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 00:38:17,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-24 00:38:17,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:17,830 INFO L225 Difference]: With dead ends: 69 [2020-10-24 00:38:17,830 INFO L226 Difference]: Without dead ends: 62 [2020-10-24 00:38:17,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:38:17,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-24 00:38:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-24 00:38:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-24 00:38:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2020-10-24 00:38:17,872 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 46 [2020-10-24 00:38:17,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:17,873 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-10-24 00:38:17,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:38:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2020-10-24 00:38:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-24 00:38:17,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:17,878 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:17,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:38:17,878 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:17,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1280637961, now seen corresponding path program 2 times [2020-10-24 00:38:17,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:17,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555993812] [2020-10-24 00:38:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:17,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-24 00:38:18,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555993812] [2020-10-24 00:38:18,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:18,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 00:38:18,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543481543] [2020-10-24 00:38:18,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:38:18,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:18,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:38:18,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:38:18,119 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand 8 states. [2020-10-24 00:38:18,701 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-10-24 00:38:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:18,875 INFO L93 Difference]: Finished difference Result 121 states and 164 transitions. [2020-10-24 00:38:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 00:38:18,880 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-10-24 00:38:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:18,882 INFO L225 Difference]: With dead ends: 121 [2020-10-24 00:38:18,883 INFO L226 Difference]: Without dead ends: 76 [2020-10-24 00:38:18,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:38:18,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-24 00:38:18,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 64. [2020-10-24 00:38:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-24 00:38:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2020-10-24 00:38:18,906 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 63 [2020-10-24 00:38:18,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:18,907 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2020-10-24 00:38:18,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:38:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2020-10-24 00:38:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-24 00:38:18,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:18,910 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:18,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:38:18,911 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:18,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:18,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1382349825, now seen corresponding path program 3 times [2020-10-24 00:38:18,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:18,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088918319] [2020-10-24 00:38:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:18,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-24 00:38:19,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088918319] [2020-10-24 00:38:19,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:19,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 00:38:19,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617151559] [2020-10-24 00:38:19,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:38:19,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:19,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:38:19,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:38:19,125 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand 8 states. [2020-10-24 00:38:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:19,913 INFO L93 Difference]: Finished difference Result 99 states and 127 transitions. [2020-10-24 00:38:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 00:38:19,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-24 00:38:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:19,923 INFO L225 Difference]: With dead ends: 99 [2020-10-24 00:38:19,924 INFO L226 Difference]: Without dead ends: 92 [2020-10-24 00:38:19,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:38:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-24 00:38:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2020-10-24 00:38:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-24 00:38:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2020-10-24 00:38:19,972 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 112 transitions. Word has length 64 [2020-10-24 00:38:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:19,972 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 112 transitions. [2020-10-24 00:38:19,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:38:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 112 transitions. [2020-10-24 00:38:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-24 00:38:19,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:19,982 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:19,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:38:19,982 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:19,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:19,983 INFO L82 PathProgramCache]: Analyzing trace with hash 85893735, now seen corresponding path program 4 times [2020-10-24 00:38:19,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:19,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723974480] [2020-10-24 00:38:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 36 proven. 197 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-10-24 00:38:20,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723974480] [2020-10-24 00:38:20,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:20,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 00:38:20,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296822288] [2020-10-24 00:38:20,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 00:38:20,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:20,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 00:38:20,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:38:20,549 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. Second operand 9 states. [2020-10-24 00:38:21,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:21,530 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2020-10-24 00:38:21,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 00:38:21,531 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2020-10-24 00:38:21,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:21,536 INFO L225 Difference]: With dead ends: 149 [2020-10-24 00:38:21,536 INFO L226 Difference]: Without dead ends: 142 [2020-10-24 00:38:21,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:38:21,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-24 00:38:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2020-10-24 00:38:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-24 00:38:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 180 transitions. [2020-10-24 00:38:21,577 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 180 transitions. Word has length 135 [2020-10-24 00:38:21,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:21,577 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 180 transitions. [2020-10-24 00:38:21,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 00:38:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2020-10-24 00:38:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-24 00:38:21,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:21,582 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:21,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:38:21,582 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:21,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:21,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1646265765, now seen corresponding path program 5 times [2020-10-24 00:38:21,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:21,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228030524] [2020-10-24 00:38:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 78 proven. 452 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2020-10-24 00:38:22,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228030524] [2020-10-24 00:38:22,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:22,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 00:38:22,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541449059] [2020-10-24 00:38:22,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:38:22,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:22,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:38:22,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:38:22,116 INFO L87 Difference]: Start difference. First operand 130 states and 180 transitions. Second operand 10 states. [2020-10-24 00:38:23,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:23,322 INFO L93 Difference]: Finished difference Result 243 states and 351 transitions. [2020-10-24 00:38:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 00:38:23,323 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-24 00:38:23,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:23,327 INFO L225 Difference]: With dead ends: 243 [2020-10-24 00:38:23,328 INFO L226 Difference]: Without dead ends: 236 [2020-10-24 00:38:23,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:38:23,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-24 00:38:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 218. [2020-10-24 00:38:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-24 00:38:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 322 transitions. [2020-10-24 00:38:23,423 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 322 transitions. Word has length 205 [2020-10-24 00:38:23,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:23,425 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 322 transitions. [2020-10-24 00:38:23,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:38:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions. [2020-10-24 00:38:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-24 00:38:23,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:23,433 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:23,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:38:23,434 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:23,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:23,434 INFO L82 PathProgramCache]: Analyzing trace with hash 630973009, now seen corresponding path program 6 times [2020-10-24 00:38:23,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:23,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355419003] [2020-10-24 00:38:23,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:23,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 126 proven. 642 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2020-10-24 00:38:24,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355419003] [2020-10-24 00:38:24,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:24,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 00:38:24,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064018300] [2020-10-24 00:38:24,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:38:24,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:24,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:38:24,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:38:24,130 INFO L87 Difference]: Start difference. First operand 218 states and 322 transitions. Second operand 11 states. [2020-10-24 00:38:25,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:25,621 INFO L93 Difference]: Finished difference Result 425 states and 656 transitions. [2020-10-24 00:38:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:38:25,623 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-10-24 00:38:25,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:25,630 INFO L225 Difference]: With dead ends: 425 [2020-10-24 00:38:25,630 INFO L226 Difference]: Without dead ends: 418 [2020-10-24 00:38:25,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:38:25,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-10-24 00:38:25,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 394. [2020-10-24 00:38:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-24 00:38:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 620 transitions. [2020-10-24 00:38:25,721 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 620 transitions. Word has length 240 [2020-10-24 00:38:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:25,722 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 620 transitions. [2020-10-24 00:38:25,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:38:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 620 transitions. [2020-10-24 00:38:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-24 00:38:25,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:25,732 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 13, 13, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:25,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:38:25,732 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:25,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:25,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1340471143, now seen corresponding path program 7 times [2020-10-24 00:38:25,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:25,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679382515] [2020-10-24 00:38:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:25,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:25,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5244 backedges. 264 proven. 1364 refuted. 0 times theorem prover too weak. 3616 trivial. 0 not checked. [2020-10-24 00:38:26,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679382515] [2020-10-24 00:38:26,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:26,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:38:26,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247316208] [2020-10-24 00:38:26,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:38:26,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:26,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:38:26,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:38:26,810 INFO L87 Difference]: Start difference. First operand 394 states and 620 transitions. Second operand 12 states. [2020-10-24 00:38:28,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:28,625 INFO L93 Difference]: Finished difference Result 783 states and 1289 transitions. [2020-10-24 00:38:28,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 00:38:28,626 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 381 [2020-10-24 00:38:28,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:28,641 INFO L225 Difference]: With dead ends: 783 [2020-10-24 00:38:28,641 INFO L226 Difference]: Without dead ends: 776 [2020-10-24 00:38:28,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2020-10-24 00:38:28,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-10-24 00:38:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 746. [2020-10-24 00:38:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-24 00:38:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1246 transitions. [2020-10-24 00:38:28,817 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1246 transitions. Word has length 381 [2020-10-24 00:38:28,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:28,818 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1246 transitions. [2020-10-24 00:38:28,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:38:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1246 transitions. [2020-10-24 00:38:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2020-10-24 00:38:28,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:28,844 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 24, 24, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:28,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:38:28,844 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:28,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:28,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1718179673, now seen corresponding path program 8 times [2020-10-24 00:38:28,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:28,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106439997] [2020-10-24 00:38:28,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:30,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18897 backedges. 3752 proven. 3598 refuted. 0 times theorem prover too weak. 11547 trivial. 0 not checked. [2020-10-24 00:38:31,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106439997] [2020-10-24 00:38:31,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:31,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:38:31,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006603354] [2020-10-24 00:38:31,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:38:31,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:31,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:38:31,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:38:31,732 INFO L87 Difference]: Start difference. First operand 746 states and 1246 transitions. Second operand 20 states. [2020-10-24 00:38:32,217 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-24 00:38:32,523 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:32,841 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:33,044 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:33,380 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:33,733 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:34,071 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-24 00:38:34,420 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:34,622 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:34,836 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:35,026 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:35,240 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:35,565 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-24 00:38:35,939 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-10-24 00:38:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:37,117 INFO L93 Difference]: Finished difference Result 927 states and 1686 transitions. [2020-10-24 00:38:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-24 00:38:37,118 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 698 [2020-10-24 00:38:37,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:37,123 INFO L225 Difference]: With dead ends: 927 [2020-10-24 00:38:37,123 INFO L226 Difference]: Without dead ends: 193 [2020-10-24 00:38:37,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2020-10-24 00:38:37,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-24 00:38:37,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 153. [2020-10-24 00:38:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-24 00:38:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 203 transitions. [2020-10-24 00:38:37,161 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 203 transitions. Word has length 698 [2020-10-24 00:38:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:37,162 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 203 transitions. [2020-10-24 00:38:37,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:38:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2020-10-24 00:38:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1492 [2020-10-24 00:38:37,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:37,239 INFO L422 BasicCegarLoop]: trace histogram [167, 167, 135, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 52, 52, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:37,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:38:37,240 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:37,241 INFO L82 PathProgramCache]: Analyzing trace with hash 706618046, now seen corresponding path program 9 times [2020-10-24 00:38:37,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:37,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952374020] [2020-10-24 00:38:37,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:38,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:38,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:39,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-10-24 00:38:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:40,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-24 00:38:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2020-10-24 00:38:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 90132 backedges. 6270 proven. 9664 refuted. 0 times theorem prover too weak. 74198 trivial. 0 not checked. [2020-10-24 00:38:44,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952374020] [2020-10-24 00:38:44,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:44,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:38:44,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185909472] [2020-10-24 00:38:44,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:38:44,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:44,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:38:44,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:38:44,894 INFO L87 Difference]: Start difference. First operand 153 states and 203 transitions. Second operand 20 states. [2020-10-24 00:38:45,361 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-24 00:38:45,653 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:45,913 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:46,115 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:46,415 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:46,717 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:46,933 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:47,147 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:47,458 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-24 00:38:47,648 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:47,863 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:48,083 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:48,414 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-24 00:38:48,581 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:48,744 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-24 00:38:49,030 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:49,548 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 00:38:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:38:51,003 INFO L93 Difference]: Finished difference Result 338 states and 520 transitions. [2020-10-24 00:38:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-24 00:38:51,004 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1491 [2020-10-24 00:38:51,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:38:51,008 INFO L225 Difference]: With dead ends: 338 [2020-10-24 00:38:51,009 INFO L226 Difference]: Without dead ends: 202 [2020-10-24 00:38:51,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=854, Invalid=3306, Unknown=0, NotChecked=0, Total=4160 [2020-10-24 00:38:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-24 00:38:51,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 175. [2020-10-24 00:38:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-24 00:38:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 230 transitions. [2020-10-24 00:38:51,042 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 230 transitions. Word has length 1491 [2020-10-24 00:38:51,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:38:51,043 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 230 transitions. [2020-10-24 00:38:51,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:38:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 230 transitions. [2020-10-24 00:38:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2020-10-24 00:38:51,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:38:51,053 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:38:51,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:38:51,054 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:38:51,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:38:51,054 INFO L82 PathProgramCache]: Analyzing trace with hash 381271009, now seen corresponding path program 10 times [2020-10-24 00:38:51,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:38:51,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001351340] [2020-10-24 00:38:51,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:38:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:51,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:38:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:51,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-24 00:38:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-24 00:38:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:53,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-10-24 00:38:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:38:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:38:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:38:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 00:38:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:38:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-24 00:38:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:54,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 00:38:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:38:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 38160 backedges. 7868 proven. 6334 refuted. 0 times theorem prover too weak. 23958 trivial. 0 not checked. [2020-10-24 00:38:56,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001351340] [2020-10-24 00:38:56,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:38:56,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-24 00:38:56,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533634702] [2020-10-24 00:38:56,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-24 00:38:56,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:38:56,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-24 00:38:56,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2020-10-24 00:38:56,027 INFO L87 Difference]: Start difference. First operand 175 states and 230 transitions. Second operand 29 states. [2020-10-24 00:39:00,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:39:00,480 INFO L93 Difference]: Finished difference Result 178 states and 233 transitions. [2020-10-24 00:39:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-24 00:39:00,481 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 980 [2020-10-24 00:39:00,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:39:00,485 INFO L225 Difference]: With dead ends: 178 [2020-10-24 00:39:00,485 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:39:00,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=838, Invalid=3452, Unknown=0, NotChecked=0, Total=4290 [2020-10-24 00:39:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:39:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:39:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:39:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:39:00,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 980 [2020-10-24 00:39:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:39:00,489 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:39:00,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-24 00:39:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:39:00,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:39:00,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:39:00,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:39:07,355 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 136 DAG size of output: 42 [2020-10-24 00:39:09,069 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 126 DAG size of output: 37 [2020-10-24 00:39:09,419 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 9 [2020-10-24 00:39:11,265 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2020-10-24 00:39:13,729 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2020-10-24 00:39:14,099 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 6 [2020-10-24 00:39:16,256 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 141 DAG size of output: 54 [2020-10-24 00:39:18,450 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 141 DAG size of output: 54 [2020-10-24 00:39:20,174 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 131 DAG size of output: 44 [2020-10-24 00:39:20,400 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 7 [2020-10-24 00:39:20,678 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 3 [2020-10-24 00:39:22,693 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 136 DAG size of output: 42 [2020-10-24 00:39:23,020 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 6 [2020-10-24 00:39:23,176 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 10 [2020-10-24 00:39:23,665 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 6 [2020-10-24 00:39:23,788 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 7 [2020-10-24 00:39:23,916 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 7 [2020-10-24 00:39:23,927 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,927 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,927 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,927 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,928 INFO L270 CegarLoopResult]: At program point fibonacciFINAL(lines 16 24) the Hoare annotation is: (and (or (and (<= 13 |fibonacci_#res|) (<= |fibonacci_#in~n| 7)) (and (<= |fibonacci_#in~n| 6) (<= 8 |fibonacci_#res|)) (and (<= 3 |fibonacci_#res|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#res|) (<= |fibonacci_#in~n| 5)) (<= |fibonacci_#in~n| 3) (and (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8)) (<= 34 |fibonacci_#res|)) (or (<= 1 |fibonacci_#res|) (<= |fibonacci_#in~n| 0)) (= fibonacci_~n |fibonacci_#in~n|) (<= 0 |fibonacci_#res|) (or (<= |fibonacci_#in~n| 2) (<= 2 |fibonacci_#res|))) [2020-10-24 00:39:23,928 INFO L277 CegarLoopResult]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2020-10-24 00:39:23,928 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-10-24 00:39:23,928 INFO L270 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (let ((.cse0 (<= |fibonacci_#in~n| 3))) (and (= fibonacci_~n |fibonacci_#in~n|) (or (and (<= 5 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 6)) (and (<= 3 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 5)) (and (<= 13 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 8)) (and (<= 8 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 7)) (<= 21 |fibonacci_#t~ret7|) (and (<= 4 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 4)) (and .cse0 (<= 1 |fibonacci_#t~ret7|))) (< 1 fibonacci_~n) (or .cse0 (<= 2 |fibonacci_#t~ret7|)))) [2020-10-24 00:39:23,928 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n) (not (<= 2 |fibonacci_#in~n|))) [2020-10-24 00:39:23,929 INFO L270 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (and (or (and (<= 5 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 6)) (and (<= 2 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 4)) (and (<= 3 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 5)) (and (<= 13 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 8)) (and (<= 8 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 7)) (<= 21 |fibonacci_#t~ret7|) (and (<= |fibonacci_#in~n| 3) (<= 1 |fibonacci_#t~ret7|))) (= fibonacci_~n |fibonacci_#in~n|) (< 1 fibonacci_~n)) [2020-10-24 00:39:23,929 INFO L270 CegarLoopResult]: At program point L19(lines 19 23) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n)) [2020-10-24 00:39:23,929 INFO L270 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: (let ((.cse1 (+ |fibonacci_#t~ret7| |fibonacci_#t~ret8|))) (and (let ((.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and .cse0 (<= 21 |fibonacci_#t~ret7|) (<= 34 .cse1)) (and (<= fibonacci_~n 8) .cse0))) (<= 1 .cse1) (or (and (<= 13 |fibonacci_#t~ret7|) (<= 21 .cse1)) (and (<= 5 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 6) (<= 8 .cse1)) (and (<= 13 .cse1) (<= 8 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 7)) (<= |fibonacci_#in~n| 5)) (or (and (<= 5 .cse1) (<= 3 |fibonacci_#t~ret7|)) (<= |fibonacci_#in~n| 4)) (<= 1 |fibonacci_#t~ret7|) (or (<= |fibonacci_#in~n| 2) (and (<= 3 .cse1) (<= 2 |fibonacci_#t~ret7|)) (and (<= 2 .cse1) (<= |fibonacci_#in~n| 3))) (<= 2 |fibonacci_#in~n|))) [2020-10-24 00:39:23,929 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| 0)) [2020-10-24 00:39:23,930 INFO L270 CegarLoopResult]: At program point L22-4(line 22) the Hoare annotation is: (let ((.cse1 (+ |fibonacci_#t~ret7| |fibonacci_#t~ret8|))) (and (let ((.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and .cse0 (<= 21 |fibonacci_#t~ret7|) (<= 34 .cse1)) (and (<= fibonacci_~n 8) .cse0))) (<= 1 .cse1) (or (and (<= 13 |fibonacci_#t~ret7|) (<= 21 .cse1)) (and (<= 5 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 6) (<= 8 .cse1)) (and (<= 13 .cse1) (<= 8 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 7)) (<= |fibonacci_#in~n| 5)) (or (and (<= 5 .cse1) (<= 3 |fibonacci_#t~ret7|)) (<= |fibonacci_#in~n| 4)) (<= 1 |fibonacci_#t~ret7|) (or (<= |fibonacci_#in~n| 2) (and (<= 3 .cse1) (<= 2 |fibonacci_#t~ret7|)) (and (<= 2 .cse1) (<= |fibonacci_#in~n| 3))) (<= 2 |fibonacci_#in~n|))) [2020-10-24 00:39:23,930 INFO L270 CegarLoopResult]: At program point fibonacciEXIT(lines 16 24) the Hoare annotation is: (and (or (and (<= 13 |fibonacci_#res|) (<= |fibonacci_#in~n| 7)) (and (<= |fibonacci_#in~n| 6) (<= 8 |fibonacci_#res|)) (and (<= 3 |fibonacci_#res|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#res|) (<= |fibonacci_#in~n| 5)) (<= |fibonacci_#in~n| 3) (and (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8)) (<= 34 |fibonacci_#res|)) (or (<= 1 |fibonacci_#res|) (<= |fibonacci_#in~n| 0)) (= fibonacci_~n |fibonacci_#in~n|) (<= 0 |fibonacci_#res|) (or (<= |fibonacci_#in~n| 2) (<= 2 |fibonacci_#res|))) [2020-10-24 00:39:23,930 INFO L270 CegarLoopResult]: At program point L17(lines 17 23) the Hoare annotation is: (= fibonacci_~n |fibonacci_#in~n|) [2020-10-24 00:39:23,931 INFO L270 CegarLoopResult]: At program point L22-5(line 22) the Hoare annotation is: (let ((.cse0 (+ |fibonacci_#t~ret7| |fibonacci_#t~ret8|))) (and (or (and (<= 13 |fibonacci_#t~ret7|) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 21 .cse0)) (and (<= 21 |fibonacci_#t~ret7|) (<= 34 |fibonacci_#res|) (<= 34 .cse0)) (<= |fibonacci_#in~n| 7)) (let ((.cse1 (= fibonacci_~n |fibonacci_#in~n|))) (or (and (<= 5 .cse0) (<= 5 |fibonacci_#res|) .cse1 (<= 3 |fibonacci_#t~ret7|)) (and .cse1 (<= |fibonacci_#in~n| 4)))) (let ((.cse2 (<= 1 |fibonacci_#t~ret7|))) (or (and (<= |fibonacci_#in~n| 2) (<= 1 .cse0) (<= 1 |fibonacci_#res|) .cse2 (<= 2 |fibonacci_#in~n|)) (and (<= 2 .cse0) (<= 3 |fibonacci_#in~n|) .cse2 (<= 2 |fibonacci_#res|)))) (or (and (<= 5 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 6) (<= 8 |fibonacci_#res|) (<= 8 .cse0)) (and (<= 13 .cse0) (<= 13 |fibonacci_#res|) (<= 8 |fibonacci_#t~ret7|)) (<= |fibonacci_#in~n| 5)) (or (and (<= 3 .cse0) (<= 3 |fibonacci_#res|) (<= 2 |fibonacci_#t~ret7|)) (<= |fibonacci_#in~n| 3)))) [2020-10-24 00:39:23,931 INFO L270 CegarLoopResult]: At program point L22-6(line 22) the Hoare annotation is: (let ((.cse0 (<= |fibonacci_#in~n| 5)) (.cse1 (<= |fibonacci_#in~n| 4))) (and (= fibonacci_~n |fibonacci_#in~n|) (<= 1 |fibonacci_#res|) (or (and (<= 5 |fibonacci_#res|) .cse0) (<= 8 |fibonacci_#res|) .cse1) (<= 2 |fibonacci_#in~n|) (or (and (<= 5 |fibonacci_#in~n|) .cse0) (and (<= 13 |fibonacci_#res|) (<= |fibonacci_#in~n| 7)) (<= |fibonacci_#in~n| 2) (and (<= 3 |fibonacci_#res|) .cse1) (and (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8)) (and (<= |fibonacci_#in~n| 6) (<= 6 |fibonacci_#in~n|)) (<= 34 |fibonacci_#res|) (and (<= |fibonacci_#in~n| 3) (<= 2 |fibonacci_#res|))))) [2020-10-24 00:39:23,931 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,931 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,931 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,931 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,931 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,932 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 00:39:23,933 INFO L270 CegarLoopResult]: At program point L33(lines 33 37) the Hoare annotation is: (or (<= 34 main_~result~0) (<= main_~x~0 8)) [2020-10-24 00:39:23,933 INFO L277 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-10-24 00:39:23,933 INFO L270 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: (or (<= main_~x~0 8) (<= 34 |main_#t~ret10|)) [2020-10-24 00:39:23,933 INFO L277 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-10-24 00:39:23,933 INFO L270 CegarLoopResult]: At program point L32-2(line 32) the Hoare annotation is: (or (<= main_~x~0 8) (<= 34 |main_#t~ret10|)) [2020-10-24 00:39:23,933 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 27 38) the Hoare annotation is: true [2020-10-24 00:39:23,933 INFO L277 CegarLoopResult]: At program point L29(lines 29 31) the Hoare annotation is: true [2020-10-24 00:39:23,933 INFO L270 CegarLoopResult]: At program point L32-3(line 32) the Hoare annotation is: (or (and (<= 34 main_~result~0) (<= 34 |main_#t~ret10|)) (<= main_~x~0 8)) [2020-10-24 00:39:23,934 INFO L277 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: true [2020-10-24 00:39:23,934 INFO L277 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: true [2020-10-24 00:39:23,934 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 27 38) the Hoare annotation is: true [2020-10-24 00:39:23,934 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 27 38) the Hoare annotation is: true [2020-10-24 00:39:23,934 INFO L270 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: false [2020-10-24 00:39:23,934 INFO L270 CegarLoopResult]: At program point L36-1(line 36) the Hoare annotation is: false [2020-10-24 00:39:23,934 INFO L277 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: true [2020-10-24 00:39:23,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:39:23 BoogieIcfgContainer [2020-10-24 00:39:23,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:39:23,956 INFO L168 Benchmark]: Toolchain (without parser) took 70746.09 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 127.8 MB in the beginning and 599.5 MB in the end (delta: -471.7 MB). Peak memory consumption was 649.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:23,957 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 75.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:39:23,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.22 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 117.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:23,958 INFO L168 Benchmark]: Boogie Preprocessor took 34.18 ms. Allocated memory is still 151.0 MB. Free memory was 117.7 MB in the beginning and 116.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:23,959 INFO L168 Benchmark]: RCFGBuilder took 428.51 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 133.1 MB in the end (delta: -16.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:23,960 INFO L168 Benchmark]: TraceAbstraction took 70034.38 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 132.6 MB in the beginning and 599.5 MB in the end (delta: -466.9 MB). Peak memory consumption was 653.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:39:23,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 75.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 232.22 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 117.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.18 ms. Allocated memory is still 151.0 MB. Free memory was 117.7 MB in the beginning and 116.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 428.51 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 133.1 MB in the end (delta: -16.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70034.38 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 132.6 MB in the beginning and 599.5 MB in the end (delta: -466.9 MB). Peak memory consumption was 653.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci: ((((((((((13 <= \result && \old(n) <= 7) || (\old(n) <= 6 && 8 <= \result)) || (3 <= \result && \old(n) <= 4)) || (5 <= \result && \old(n) <= 5)) || \old(n) <= 3) || (21 <= \result && \old(n) <= 8)) || 34 <= \result) && (1 <= \result || \old(n) <= 0)) && n == \old(n)) && 0 <= \result) && (\old(n) <= 2 || 2 <= \result) - ProcedureContractResult [Line: 27]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.4s, OverallIterations: 13, TraceHistogramMax: 167, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 608 SDtfs, 1562 SDslu, 1069 SDs, 0 SdLazy, 3838 SolverSat, 1121 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1498 GetRequests, 1182 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2861 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=746occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 171 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2657 PreInvPairs, 4191 NumberOfFragments, 783 HoareAnnotationTreeSize, 2657 FomulaSimplifications, 75934 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 47 FomulaSimplificationsInter, 40830 FormulaSimplificationTreeSizeReductionInter, 18.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 4405 NumberOfCodeBlocks, 4405 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 4392 ConstructedInterpolants, 0 QuantifiedInterpolants, 6176536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 133959/156255 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...