/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_7-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 17:54:55,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 17:54:55,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 17:54:55,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 17:54:55,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 17:54:55,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 17:54:55,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 17:54:55,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 17:54:55,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 17:54:55,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 17:54:55,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 17:54:55,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 17:54:55,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 17:54:55,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 17:54:55,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 17:54:55,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 17:54:55,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 17:54:55,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 17:54:55,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 17:54:55,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 17:54:55,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 17:54:55,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 17:54:55,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 17:54:55,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 17:54:55,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 17:54:55,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 17:54:55,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 17:54:55,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 17:54:55,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 17:54:55,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 17:54:55,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 17:54:55,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 17:54:55,917 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 17:54:55,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 17:54:55,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 17:54:55,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 17:54:55,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 17:54:55,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 17:54:55,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 17:54:55,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 17:54:55,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 17:54:55,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 17:54:55,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 17:54:55,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 17:54:55,921 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 17:54:55,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 17:54:55,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 17:54:55,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:54:55,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 17:54:55,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 17:54:55,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 17:54:55,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 17:54:56,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 17:54:56,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 17:54:56,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 17:54:56,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 17:54:56,375 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 17:54:56,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_7-1.c [2021-02-23 17:54:56,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30c268b5/3b37a5a46bb64a3c8743ab166ffc9fa0/FLAGaf3bf7fc6 [2021-02-23 17:54:57,026 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 17:54:57,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_7-1.c [2021-02-23 17:54:57,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30c268b5/3b37a5a46bb64a3c8743ab166ffc9fa0/FLAGaf3bf7fc6 [2021-02-23 17:54:57,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30c268b5/3b37a5a46bb64a3c8743ab166ffc9fa0 [2021-02-23 17:54:57,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 17:54:57,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 17:54:57,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 17:54:57,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 17:54:57,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 17:54:57,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4d749e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57, skipping insertion in model container [2021-02-23 17:54:57,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 17:54:57,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 17:54:57,686 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_7-1.c[741,754] [2021-02-23 17:54:57,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:54:57,713 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 17:54:57,733 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_7-1.c[741,754] [2021-02-23 17:54:57,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:54:57,754 INFO L208 MainTranslator]: Completed translation [2021-02-23 17:54:57,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57 WrapperNode [2021-02-23 17:54:57,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 17:54:57,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 17:54:57,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 17:54:57,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 17:54:57,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... [2021-02-23 17:54:57,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 17:54:57,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 17:54:57,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 17:54:57,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 17:54:57,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:54:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 17:54:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 17:54:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 17:54:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-02-23 17:54:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 17:54:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 17:54:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 17:54:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 17:54:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 17:54:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 17:54:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-02-23 17:54:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 17:54:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 17:54:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 17:54:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 17:54:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 17:54:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 17:54:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 17:54:58,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 17:54:58,427 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 17:54:58,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:54:58 BoogieIcfgContainer [2021-02-23 17:54:58,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 17:54:58,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 17:54:58,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 17:54:58,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 17:54:58,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 05:54:57" (1/3) ... [2021-02-23 17:54:58,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3aa171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:54:58, skipping insertion in model container [2021-02-23 17:54:58,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:54:57" (2/3) ... [2021-02-23 17:54:58,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3aa171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:54:58, skipping insertion in model container [2021-02-23 17:54:58,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:54:58" (3/3) ... [2021-02-23 17:54:58,440 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_7-1.c [2021-02-23 17:54:58,448 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 17:54:58,453 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 17:54:58,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 17:54:58,500 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 17:54:58,501 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 17:54:58,501 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 17:54:58,501 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 17:54:58,501 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 17:54:58,502 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 17:54:58,502 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 17:54:58,502 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 17:54:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2021-02-23 17:54:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-23 17:54:58,529 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:54:58,530 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] [2021-02-23 17:54:58,531 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:54:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:54:58,538 INFO L82 PathProgramCache]: Analyzing trace with hash -61711174, now seen corresponding path program 1 times [2021-02-23 17:54:58,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:54:58,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555482015] [2021-02-23 17:54:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:54:58,637 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:54:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:58,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:58,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:58,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:58,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:54:58,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:58,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:58,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:54:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:58,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:58,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:58,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:54:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:58,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:58,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:54:58,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:58,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:54:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:54:59,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555482015] [2021-02-23 17:54:59,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:54:59,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 17:54:59,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697474868] [2021-02-23 17:54:59,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 17:54:59,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:54:59,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 17:54:59,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 17:54:59,034 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 6 states. [2021-02-23 17:54:59,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:54:59,385 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2021-02-23 17:54:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 17:54:59,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2021-02-23 17:54:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:54:59,398 INFO L225 Difference]: With dead ends: 53 [2021-02-23 17:54:59,399 INFO L226 Difference]: Without dead ends: 36 [2021-02-23 17:54:59,403 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 [2021-02-23 17:54:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-02-23 17:54:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-02-23 17:54:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-02-23 17:54:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-02-23 17:54:59,465 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2021-02-23 17:54:59,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:54:59,466 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-02-23 17:54:59,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 17:54:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-02-23 17:54:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 17:54:59,469 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:54:59,469 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] [2021-02-23 17:54:59,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 17:54:59,470 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:54:59,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:54:59,471 INFO L82 PathProgramCache]: Analyzing trace with hash 118225994, now seen corresponding path program 1 times [2021-02-23 17:54:59,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:54:59,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85732720] [2021-02-23 17:54:59,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:54:59,475 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:54:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:59,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:59,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:54:59,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:59,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:54:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:59,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:59,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:54:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:59,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:54:59,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:54:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 17:54:59,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85732720] [2021-02-23 17:54:59,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:54:59,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 17:54:59,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622937088] [2021-02-23 17:54:59,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 17:54:59,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:54:59,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 17:54:59,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 17:54:59,629 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 6 states. [2021-02-23 17:54:59,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:54:59,888 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2021-02-23 17:54:59,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 17:54:59,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2021-02-23 17:54:59,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:54:59,892 INFO L225 Difference]: With dead ends: 44 [2021-02-23 17:54:59,892 INFO L226 Difference]: Without dead ends: 38 [2021-02-23 17:54:59,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 17:54:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-02-23 17:54:59,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2021-02-23 17:54:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-02-23 17:54:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-02-23 17:54:59,909 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 25 [2021-02-23 17:54:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:54:59,909 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-02-23 17:54:59,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 17:54:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-02-23 17:54:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-02-23 17:54:59,911 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:54:59,911 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] [2021-02-23 17:54:59,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 17:54:59,912 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:54:59,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:54:59,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1102510105, now seen corresponding path program 1 times [2021-02-23 17:54:59,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:54:59,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081976214] [2021-02-23 17:54:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:54:59,917 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:54:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:54:59,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:59,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:54:59,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:54:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:54:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,048 WARN L141 QuantifierPusher]: treesize reduction 6, result has 33.3 percent of original size [2021-02-23 17:55:00,049 WARN L147 QuantifierPusher]: treesize reduction 6, result has 33.3 percent of original size 3 [2021-02-23 17:55:00,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:55:00,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 17:55:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-23 17:55:00,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081976214] [2021-02-23 17:55:00,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:00,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 17:55:00,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108114085] [2021-02-23 17:55:00,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 17:55:00,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:00,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 17:55:00,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 17:55:00,113 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 7 states. [2021-02-23 17:55:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:00,420 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2021-02-23 17:55:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 17:55:00,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2021-02-23 17:55:00,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:00,423 INFO L225 Difference]: With dead ends: 60 [2021-02-23 17:55:00,423 INFO L226 Difference]: Without dead ends: 38 [2021-02-23 17:55:00,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-02-23 17:55:00,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-02-23 17:55:00,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-02-23 17:55:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-02-23 17:55:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2021-02-23 17:55:00,441 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 41 [2021-02-23 17:55:00,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:00,441 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-02-23 17:55:00,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 17:55:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-02-23 17:55:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-23 17:55:00,444 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:00,444 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] [2021-02-23 17:55:00,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 17:55:00,445 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:00,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:00,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1786640255, now seen corresponding path program 1 times [2021-02-23 17:55:00,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:00,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027483163] [2021-02-23 17:55:00,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:00,449 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:00,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:00,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:00,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 17:55:00,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027483163] [2021-02-23 17:55:00,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:00,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 17:55:00,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377614345] [2021-02-23 17:55:00,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 17:55:00,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:00,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 17:55:00,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 17:55:00,681 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 8 states. [2021-02-23 17:55:01,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:01,066 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2021-02-23 17:55:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 17:55:01,068 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2021-02-23 17:55:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:01,071 INFO L225 Difference]: With dead ends: 64 [2021-02-23 17:55:01,072 INFO L226 Difference]: Without dead ends: 58 [2021-02-23 17:55:01,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-23 17:55:01,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-02-23 17:55:01,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-02-23 17:55:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-02-23 17:55:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2021-02-23 17:55:01,106 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 42 [2021-02-23 17:55:01,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:01,107 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2021-02-23 17:55:01,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 17:55:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2021-02-23 17:55:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 17:55:01,110 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:01,110 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] [2021-02-23 17:55:01,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 17:55:01,111 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:01,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash -413883838, now seen corresponding path program 2 times [2021-02-23 17:55:01,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:01,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776490249] [2021-02-23 17:55:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:01,115 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,240 WARN L141 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-02-23 17:55:01,241 WARN L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-02-23 17:55:01,252 WARN L141 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-02-23 17:55:01,253 WARN L147 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size 7 [2021-02-23 17:55:01,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-23 17:55:01,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776490249] [2021-02-23 17:55:01,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:01,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 17:55:01,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481421065] [2021-02-23 17:55:01,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 17:55:01,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:01,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 17:55:01,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-23 17:55:01,369 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand 9 states. [2021-02-23 17:55:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:01,749 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2021-02-23 17:55:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 17:55:01,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2021-02-23 17:55:01,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:01,752 INFO L225 Difference]: With dead ends: 116 [2021-02-23 17:55:01,752 INFO L226 Difference]: Without dead ends: 72 [2021-02-23 17:55:01,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-02-23 17:55:01,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-02-23 17:55:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2021-02-23 17:55:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-02-23 17:55:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2021-02-23 17:55:01,785 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 59 [2021-02-23 17:55:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:01,786 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2021-02-23 17:55:01,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 17:55:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2021-02-23 17:55:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-23 17:55:01,797 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:01,797 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] [2021-02-23 17:55:01,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 17:55:01,798 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:01,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:01,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1197296150, now seen corresponding path program 3 times [2021-02-23 17:55:01,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:01,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502904957] [2021-02-23 17:55:01,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:01,804 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:01,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:01,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:01,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:01,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:01,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:02,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-02-23 17:55:02,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502904957] [2021-02-23 17:55:02,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:02,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 17:55:02,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204397509] [2021-02-23 17:55:02,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 17:55:02,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:02,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 17:55:02,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-23 17:55:02,055 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand 10 states. [2021-02-23 17:55:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:02,538 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2021-02-23 17:55:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 17:55:02,539 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2021-02-23 17:55:02,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:02,541 INFO L225 Difference]: With dead ends: 94 [2021-02-23 17:55:02,542 INFO L226 Difference]: Without dead ends: 88 [2021-02-23 17:55:02,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-02-23 17:55:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-02-23 17:55:02,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2021-02-23 17:55:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-23 17:55:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 108 transitions. [2021-02-23 17:55:02,584 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 108 transitions. Word has length 60 [2021-02-23 17:55:02,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:02,585 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 108 transitions. [2021-02-23 17:55:02,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 17:55:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2021-02-23 17:55:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-02-23 17:55:02,588 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:02,588 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] [2021-02-23 17:55:02,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 17:55:02,588 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:02,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:02,589 INFO L82 PathProgramCache]: Analyzing trace with hash -801021678, now seen corresponding path program 4 times [2021-02-23 17:55:02,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:02,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764669635] [2021-02-23 17:55:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:02,593 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:02,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:02,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:02,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:02,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:02,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-02-23 17:55:02,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764669635] [2021-02-23 17:55:02,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:02,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 17:55:02,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191827580] [2021-02-23 17:55:02,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 17:55:02,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:02,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 17:55:02,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-02-23 17:55:02,968 INFO L87 Difference]: Start difference. First operand 82 states and 108 transitions. Second operand 12 states. [2021-02-23 17:55:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:03,648 INFO L93 Difference]: Finished difference Result 144 states and 197 transitions. [2021-02-23 17:55:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 17:55:03,649 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2021-02-23 17:55:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:03,653 INFO L225 Difference]: With dead ends: 144 [2021-02-23 17:55:03,654 INFO L226 Difference]: Without dead ends: 138 [2021-02-23 17:55:03,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2021-02-23 17:55:03,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-02-23 17:55:03,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2021-02-23 17:55:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2021-02-23 17:55:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 176 transitions. [2021-02-23 17:55:03,697 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 176 transitions. Word has length 131 [2021-02-23 17:55:03,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:03,698 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 176 transitions. [2021-02-23 17:55:03,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 17:55:03,698 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-02-23 17:55:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-02-23 17:55:03,701 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:03,702 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] [2021-02-23 17:55:03,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 17:55:03,702 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:03,703 INFO L82 PathProgramCache]: Analyzing trace with hash 900310772, now seen corresponding path program 5 times [2021-02-23 17:55:03,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:03,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302591781] [2021-02-23 17:55:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:03,706 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:03,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:03,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:03,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:03,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:03,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:03,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:03,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:03,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:03,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:03,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:03,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:03,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:03,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:04,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:04,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:04,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:04,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-02-23 17:55:04,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302591781] [2021-02-23 17:55:04,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:04,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 17:55:04,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617544185] [2021-02-23 17:55:04,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 17:55:04,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:04,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 17:55:04,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-02-23 17:55:04,243 INFO L87 Difference]: Start difference. First operand 126 states and 176 transitions. Second operand 14 states. [2021-02-23 17:55:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:04,949 INFO L93 Difference]: Finished difference Result 238 states and 346 transitions. [2021-02-23 17:55:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 17:55:04,950 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 201 [2021-02-23 17:55:04,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:04,955 INFO L225 Difference]: With dead ends: 238 [2021-02-23 17:55:04,955 INFO L226 Difference]: Without dead ends: 232 [2021-02-23 17:55:04,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2021-02-23 17:55:04,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-02-23 17:55:05,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 214. [2021-02-23 17:55:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-02-23 17:55:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 318 transitions. [2021-02-23 17:55:05,017 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 318 transitions. Word has length 201 [2021-02-23 17:55:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:05,018 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 318 transitions. [2021-02-23 17:55:05,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 17:55:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 318 transitions. [2021-02-23 17:55:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-02-23 17:55:05,023 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:05,024 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:55:05,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 17:55:05,024 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:05,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1581765852, now seen corresponding path program 6 times [2021-02-23 17:55:05,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:05,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034277153] [2021-02-23 17:55:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:05,030 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:05,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:05,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:05,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:05,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:05,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,713 WARN L141 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-02-23 17:55:05,713 WARN L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-02-23 17:55:05,731 WARN L141 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-02-23 17:55:05,733 WARN L147 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size 7 [2021-02-23 17:55:05,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:05,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:05,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:05,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 53 proven. 158 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-02-23 17:55:05,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034277153] [2021-02-23 17:55:05,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:05,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-23 17:55:05,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671266481] [2021-02-23 17:55:05,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-23 17:55:05,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:05,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-23 17:55:05,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-02-23 17:55:05,939 INFO L87 Difference]: Start difference. First operand 214 states and 318 transitions. Second operand 21 states. [2021-02-23 17:55:07,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:07,657 INFO L93 Difference]: Finished difference Result 333 states and 569 transitions. [2021-02-23 17:55:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-23 17:55:07,658 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 271 [2021-02-23 17:55:07,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:07,662 INFO L225 Difference]: With dead ends: 333 [2021-02-23 17:55:07,662 INFO L226 Difference]: Without dead ends: 127 [2021-02-23 17:55:07,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=458, Invalid=1798, Unknown=0, NotChecked=0, Total=2256 [2021-02-23 17:55:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-02-23 17:55:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 110. [2021-02-23 17:55:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2021-02-23 17:55:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 139 transitions. [2021-02-23 17:55:07,688 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 139 transitions. Word has length 271 [2021-02-23 17:55:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:07,689 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 139 transitions. [2021-02-23 17:55:07,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-23 17:55:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 139 transitions. [2021-02-23 17:55:07,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-02-23 17:55:07,718 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:07,718 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 16, 16, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:55:07,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 17:55:07,719 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:07,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:07,720 INFO L82 PathProgramCache]: Analyzing trace with hash -763775129, now seen corresponding path program 7 times [2021-02-23 17:55:07,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:07,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933420251] [2021-02-23 17:55:07,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:07,728 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:07,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:07,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:07,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:07,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:07,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:07,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:07,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:07,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-23 17:55:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:08,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,883 WARN L141 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-02-23 17:55:08,884 WARN L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-02-23 17:55:08,904 WARN L141 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-02-23 17:55:08,904 WARN L147 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size 7 [2021-02-23 17:55:08,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:08,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:08,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:08,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:09,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:09,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1673 backedges. 60 proven. 288 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2021-02-23 17:55:09,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933420251] [2021-02-23 17:55:09,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:09,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-23 17:55:09,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677374794] [2021-02-23 17:55:09,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-23 17:55:09,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:09,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-23 17:55:09,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2021-02-23 17:55:09,376 INFO L87 Difference]: Start difference. First operand 110 states and 139 transitions. Second operand 25 states. [2021-02-23 17:55:11,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:11,335 INFO L93 Difference]: Finished difference Result 237 states and 368 transitions. [2021-02-23 17:55:11,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-23 17:55:11,336 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 465 [2021-02-23 17:55:11,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:11,340 INFO L225 Difference]: With dead ends: 237 [2021-02-23 17:55:11,340 INFO L226 Difference]: Without dead ends: 149 [2021-02-23 17:55:11,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=581, Invalid=2389, Unknown=0, NotChecked=0, Total=2970 [2021-02-23 17:55:11,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-02-23 17:55:11,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 129. [2021-02-23 17:55:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2021-02-23 17:55:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 167 transitions. [2021-02-23 17:55:11,369 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 167 transitions. Word has length 465 [2021-02-23 17:55:11,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:11,370 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 167 transitions. [2021-02-23 17:55:11,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-23 17:55:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 167 transitions. [2021-02-23 17:55:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-02-23 17:55:11,378 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:11,378 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] [2021-02-23 17:55:11,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 17:55:11,379 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:11,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:11,379 INFO L82 PathProgramCache]: Analyzing trace with hash -310760694, now seen corresponding path program 8 times [2021-02-23 17:55:11,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:11,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082541714] [2021-02-23 17:55:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:11,384 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:11,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:11,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:11,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 17:55:11,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 17:55:11,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:11,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:11,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:11,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:11,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:11,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:11,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:11,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:11,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:11,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:11,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:11,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:11,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:11,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:11,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:11,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:11,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-23 17:55:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:55:12,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:12,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:12,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:12,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:12,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2021-02-23 17:55:13,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082541714] [2021-02-23 17:55:13,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:13,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-23 17:55:13,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106483936] [2021-02-23 17:55:13,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 17:55:13,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:13,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 17:55:13,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2021-02-23 17:55:13,554 INFO L87 Difference]: Start difference. First operand 129 states and 167 transitions. Second operand 23 states. [2021-02-23 17:55:16,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:16,280 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2021-02-23 17:55:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 17:55:16,281 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 377 [2021-02-23 17:55:16,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:16,285 INFO L225 Difference]: With dead ends: 197 [2021-02-23 17:55:16,286 INFO L226 Difference]: Without dead ends: 191 [2021-02-23 17:55:16,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=244, Invalid=2836, Unknown=0, NotChecked=0, Total=3080 [2021-02-23 17:55:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-02-23 17:55:16,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 175. [2021-02-23 17:55:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2021-02-23 17:55:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 236 transitions. [2021-02-23 17:55:16,321 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 236 transitions. Word has length 377 [2021-02-23 17:55:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:16,322 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 236 transitions. [2021-02-23 17:55:16,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 17:55:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 236 transitions. [2021-02-23 17:55:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-02-23 17:55:16,329 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:16,330 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 35, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 14, 14, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:55:16,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 17:55:16,330 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:16,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:16,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2147021121, now seen corresponding path program 9 times [2021-02-23 17:55:16,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:16,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792197356] [2021-02-23 17:55:16,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:16,335 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:16,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,717 WARN L141 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-02-23 17:55:16,718 WARN L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-02-23 17:55:16,732 WARN L141 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-02-23 17:55:16,733 WARN L147 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size 7 [2021-02-23 17:55:16,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:16,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-02-23 17:55:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-02-23 17:55:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-23 17:55:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-02-23 17:55:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:16,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:16,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:16,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:17,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:17,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 22 proven. 139 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2021-02-23 17:55:17,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792197356] [2021-02-23 17:55:17,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:17,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 17:55:17,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354336272] [2021-02-23 17:55:17,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 17:55:17,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:17,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 17:55:17,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-23 17:55:17,190 INFO L87 Difference]: Start difference. First operand 175 states and 236 transitions. Second operand 12 states. [2021-02-23 17:55:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:17,828 INFO L93 Difference]: Finished difference Result 302 states and 427 transitions. [2021-02-23 17:55:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 17:55:17,829 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 395 [2021-02-23 17:55:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:17,832 INFO L225 Difference]: With dead ends: 302 [2021-02-23 17:55:17,832 INFO L226 Difference]: Without dead ends: 149 [2021-02-23 17:55:17,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2021-02-23 17:55:17,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-02-23 17:55:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2021-02-23 17:55:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2021-02-23 17:55:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2021-02-23 17:55:17,861 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 395 [2021-02-23 17:55:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:17,862 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2021-02-23 17:55:17,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 17:55:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2021-02-23 17:55:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-02-23 17:55:17,866 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:17,866 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 16, 16, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:55:17,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 17:55:17,866 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:17,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:17,867 INFO L82 PathProgramCache]: Analyzing trace with hash -427232499, now seen corresponding path program 10 times [2021-02-23 17:55:17,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:17,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364196666] [2021-02-23 17:55:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:17,872 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:18,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:18,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,422 WARN L141 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-02-23 17:55:18,423 WARN L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-02-23 17:55:18,440 WARN L141 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-02-23 17:55:18,441 WARN L147 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size 7 [2021-02-23 17:55:18,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-23 17:55:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:18,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:18,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:18,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:18,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-02-23 17:55:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:18,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:18,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 102 proven. 215 refuted. 0 times theorem prover too weak. 1217 trivial. 0 not checked. [2021-02-23 17:55:19,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364196666] [2021-02-23 17:55:19,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:19,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-23 17:55:19,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691151651] [2021-02-23 17:55:19,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-23 17:55:19,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:19,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-23 17:55:19,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-02-23 17:55:19,338 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand 21 states. [2021-02-23 17:55:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:21,073 INFO L93 Difference]: Finished difference Result 268 states and 368 transitions. [2021-02-23 17:55:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 17:55:21,074 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 465 [2021-02-23 17:55:21,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:21,077 INFO L225 Difference]: With dead ends: 268 [2021-02-23 17:55:21,078 INFO L226 Difference]: Without dead ends: 149 [2021-02-23 17:55:21,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=348, Invalid=1458, Unknown=0, NotChecked=0, Total=1806 [2021-02-23 17:55:21,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-02-23 17:55:21,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 129. [2021-02-23 17:55:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2021-02-23 17:55:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2021-02-23 17:55:21,104 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 163 transitions. Word has length 465 [2021-02-23 17:55:21,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:21,105 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 163 transitions. [2021-02-23 17:55:21,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-23 17:55:21,106 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2021-02-23 17:55:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-02-23 17:55:21,111 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:55:21,111 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 21, 21, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:55:21,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 17:55:21,111 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:55:21,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:55:21,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1242927327, now seen corresponding path program 11 times [2021-02-23 17:55:21,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:55:21,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167943035] [2021-02-23 17:55:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:55:21,122 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:55:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:55:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 17:55:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:21,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:21,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:21,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:55:21,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,876 WARN L141 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-02-23 17:55:21,876 WARN L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-02-23 17:55:21,892 WARN L141 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-02-23 17:55:21,894 WARN L147 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size 7 [2021-02-23 17:55:21,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:55:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:21,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:21,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-23 17:55:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-02-23 17:55:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 17:55:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 17:55:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-23 17:55:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-23 17:55:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 17:55:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 17:55:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:55:22,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:55:22,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:55:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2810 backedges. 8 proven. 203 refuted. 0 times theorem prover too weak. 2599 trivial. 0 not checked. [2021-02-23 17:55:23,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167943035] [2021-02-23 17:55:23,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:55:23,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 17:55:23,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745438914] [2021-02-23 17:55:23,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 17:55:23,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:55:23,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 17:55:23,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-02-23 17:55:23,017 INFO L87 Difference]: Start difference. First operand 129 states and 163 transitions. Second operand 17 states. [2021-02-23 17:55:24,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:55:24,000 INFO L93 Difference]: Finished difference Result 247 states and 331 transitions. [2021-02-23 17:55:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 17:55:24,001 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 606 [2021-02-23 17:55:24,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:55:24,003 INFO L225 Difference]: With dead ends: 247 [2021-02-23 17:55:24,003 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 17:55:24,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2021-02-23 17:55:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 17:55:24,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 17:55:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 17:55:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 17:55:24,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2021-02-23 17:55:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:55:24,007 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 17:55:24,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 17:55:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 17:55:24,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 17:55:24,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 17:55:24,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 17:55:28,736 WARN L202 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2021-02-23 17:55:29,713 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2021-02-23 17:55:29,868 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 6 [2021-02-23 17:55:30,854 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-02-23 17:55:31,621 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 70 [2021-02-23 17:55:32,571 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2021-02-23 17:55:33,306 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 59 [2021-02-23 17:55:33,444 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 6 [2021-02-23 17:55:34,226 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 59 [2021-02-23 17:55:34,870 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2021-02-23 17:55:34,995 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 9 [2021-02-23 17:55:34,999 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-02-23 17:55:34,999 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-02-23 17:55:34,999 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-02-23 17:55:34,999 INFO L192 CegarLoopUtils]: At program point L4-3(line 4) the Hoare annotation is: true [2021-02-23 17:55:34,999 INFO L192 CegarLoopUtils]: At program point L4-4(line 4) the Hoare annotation is: true [2021-02-23 17:55:34,999 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 4) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L185 CegarLoopUtils]: 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|)) [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point L4(line 4) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point L4-1(line 4) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point L4-2(line 4) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,000 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,001 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,001 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 17:55:35,001 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 29) the Hoare annotation is: false [2021-02-23 17:55:35,001 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 25 32) the Hoare annotation is: true [2021-02-23 17:55:35,001 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: false [2021-02-23 17:55:35,001 INFO L185 CegarLoopUtils]: At program point L28(lines 28 30) the Hoare annotation is: (and (<= 7 main_~x~0) (<= main_~x~0 7) (< 12 main_~result~0) (<= main_~result~0 13)) [2021-02-23 17:55:35,001 INFO L185 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: false [2021-02-23 17:55:35,002 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= 7 main_~x~0) (<= main_~x~0 7)) [2021-02-23 17:55:35,002 INFO L185 CegarLoopUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= 13 |main_#t~ret9|) (<= 7 main_~x~0) (<= main_~x~0 7) (<= |main_#t~ret9| 13)) [2021-02-23 17:55:35,002 INFO L185 CegarLoopUtils]: At program point L28-2(lines 28 30) the Hoare annotation is: (<= 7 main_~x~0) [2021-02-23 17:55:35,002 INFO L185 CegarLoopUtils]: At program point L27-2(line 27) the Hoare annotation is: (and (<= 13 |main_#t~ret9|) (<= 7 main_~x~0) (<= main_~x~0 7) (<= |main_#t~ret9| 13)) [2021-02-23 17:55:35,002 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 25 32) the Hoare annotation is: (<= 7 main_~x~0) [2021-02-23 17:55:35,003 INFO L185 CegarLoopUtils]: At program point L27-3(line 27) the Hoare annotation is: (and (<= 13 |main_#t~ret9|) (<= 7 main_~x~0) (<= main_~x~0 7) (< 12 main_~result~0) (<= main_~result~0 13) (<= |main_#t~ret9| 13)) [2021-02-23 17:55:35,003 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 25 32) the Hoare annotation is: (<= 7 main_~x~0) [2021-02-23 17:55:35,003 INFO L185 CegarLoopUtils]: At program point fiboEXIT(lines 7 15) the Hoare annotation is: (let ((.cse1 (= fibo_~n |fibo_#in~n|))) (let ((.cse0 (and (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 6 fibo_~n) (<= 8 |fibo_#res|) .cse1)) (.cse2 (and (<= 8 fibo_~n) .cse1)) (.cse3 (and (<= 13 |fibo_#res|) (<= 7 fibo_~n) (<= |fibo_#res| 13) .cse1))) (and (or (not (<= 4 |fibo_#in~n|)) .cse0 (and (<= 5 fibo_~n) (<= fibo_~n 5) .cse1) .cse2 (and (<= |fibo_#res| 3) (<= 3 |fibo_#res|)) .cse3) (or (and (<= 0 |fibo_#res|) (<= |fibo_#res| 0)) (< 0 fibo_~n)) (or (not (<= |fibo_#in~n| 2)) (and (<= 1 |fibo_#res|) (<= |fibo_#res| 1)) (<= |fibo_#in~n| 0)) (or .cse0 .cse2 (and (<= fibo_~n 4) .cse1) (and (<= 5 |fibo_#res|) (<= |fibo_#res| 5)) .cse3) (or (and (<= fibo_~n 2) .cse1) (not (<= |fibo_#in~n| 3)) (and (<= 2 |fibo_#res|) (<= |fibo_#res| 2)))))) [2021-02-23 17:55:35,004 INFO L185 CegarLoopUtils]: At program point fiboFINAL(lines 7 15) the Hoare annotation is: (let ((.cse1 (= fibo_~n |fibo_#in~n|))) (let ((.cse0 (and (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 6 fibo_~n) (<= 8 |fibo_#res|) .cse1)) (.cse2 (and (<= 8 fibo_~n) .cse1)) (.cse3 (and (<= 13 |fibo_#res|) (<= 7 fibo_~n) (<= |fibo_#res| 13) .cse1))) (and (or (not (<= 4 |fibo_#in~n|)) .cse0 (and (<= 5 fibo_~n) (<= fibo_~n 5) .cse1) .cse2 (and (<= |fibo_#res| 3) (<= 3 |fibo_#res|)) .cse3) (or (and (<= 0 |fibo_#res|) (<= |fibo_#res| 0)) (< 0 fibo_~n)) (or (not (<= |fibo_#in~n| 2)) (and (<= 1 |fibo_#res|) (<= |fibo_#res| 1)) (<= |fibo_#in~n| 0)) (or .cse0 .cse2 (and (<= fibo_~n 4) .cse1) (and (<= 5 |fibo_#res|) (<= |fibo_#res| 5)) .cse3) (or (and (<= fibo_~n 2) .cse1) (not (<= |fibo_#in~n| 3)) (and (<= 2 |fibo_#res|) (<= |fibo_#res| 2)))))) [2021-02-23 17:55:35,004 INFO L185 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: (and (< 1 fibo_~n) (= fibo_~n |fibo_#in~n|)) [2021-02-23 17:55:35,004 INFO L185 CegarLoopUtils]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse0 (= fibo_~n |fibo_#in~n|))) (or (and (<= fibo_~n 6) (<= 5 |fibo_#t~ret7|) (<= 6 fibo_~n) (<= |fibo_#t~ret7| 5) .cse0) (and (<= |fibo_#t~ret7| 2) (<= fibo_~n 4) (<= 4 fibo_~n) .cse0 (<= 2 |fibo_#t~ret7|)) (and (< 1 fibo_~n) (<= |fibo_#t~ret7| 1) (<= 1 |fibo_#t~ret7|) (<= fibo_~n 3) .cse0) (and (<= 8 fibo_~n) .cse0) (and (<= 5 fibo_~n) (<= |fibo_#t~ret7| 3) (<= fibo_~n 5) .cse0 (<= 3 |fibo_#t~ret7|)) (and (<= |fibo_#t~ret7| 8) (<= 8 |fibo_#t~ret7|) (<= 7 fibo_~n) .cse0))) [2021-02-23 17:55:35,004 INFO L185 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: (and (< 0 fibo_~n) (not (<= 2 |fibo_#in~n|)) (= fibo_~n |fibo_#in~n|)) [2021-02-23 17:55:35,004 INFO L185 CegarLoopUtils]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= fibo_~n |fibo_#in~n|))) (or (and (<= fibo_~n 6) (<= 5 |fibo_#t~ret7|) (<= 6 fibo_~n) (<= |fibo_#t~ret7| 5) .cse0) (and (<= |fibo_#t~ret7| 2) (<= fibo_~n 4) (<= 4 fibo_~n) .cse0 (<= 2 |fibo_#t~ret7|)) (and (< 1 fibo_~n) (<= |fibo_#t~ret7| 1) (<= 1 |fibo_#t~ret7|) (<= fibo_~n 3) .cse0) (and (<= 8 fibo_~n) .cse0) (and (<= 5 fibo_~n) (<= |fibo_#t~ret7| 3) (<= fibo_~n 5) .cse0 (<= 3 |fibo_#t~ret7|)) (and (<= |fibo_#t~ret7| 8) (<= 8 |fibo_#t~ret7|) (<= 7 fibo_~n) .cse0))) [2021-02-23 17:55:35,004 INFO L185 CegarLoopUtils]: At program point L10(lines 10 14) the Hoare annotation is: (and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|)) [2021-02-23 17:55:35,005 INFO L185 CegarLoopUtils]: At program point L13-3(line 13) the Hoare annotation is: (let ((.cse0 (+ |fibo_#t~ret8| |fibo_#t~ret7|))) (and (or (<= fibo_~n 6) (and (<= |fibo_#t~ret7| 8) (<= 8 |fibo_#t~ret7|) (<= .cse0 13) (<= 13 .cse0)) (<= 8 fibo_~n)) (let ((.cse2 (<= |fibo_#t~ret7| 1)) (.cse3 (<= 1 |fibo_#t~ret7|)) (.cse1 (= fibo_~n |fibo_#in~n|))) (or (and (<= |fibo_#t~ret7| 2) (<= fibo_~n 4) (<= 3 .cse0) (<= .cse0 3) .cse1 (<= 2 |fibo_#t~ret7|) (<= 4 |fibo_#in~n|)) (and (<= 8 .cse0) (<= 5 |fibo_#t~ret7|) (<= 6 fibo_~n) (<= |fibo_#t~ret7| 5) .cse1 (<= .cse0 8)) (and (<= 7 fibo_~n) .cse1) (and (<= fibo_~n 2) (< 1 fibo_~n) .cse2 (<= 1 .cse0) (<= .cse0 1) .cse3 .cse1) (and (<= .cse0 2) .cse2 (<= 3 fibo_~n) (<= 2 .cse0) .cse3 (<= fibo_~n 3) .cse1) (and (<= 5 .cse0) (<= 5 fibo_~n) (<= |fibo_#t~ret7| 3) (<= fibo_~n 5) .cse1 (<= 3 |fibo_#t~ret7|) (<= .cse0 5)))))) [2021-02-23 17:55:35,005 INFO L185 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: (and (<= |fibo_#in~n| 0) (= fibo_~n |fibo_#in~n|)) [2021-02-23 17:55:35,005 INFO L185 CegarLoopUtils]: At program point L13-4(line 13) the Hoare annotation is: (let ((.cse0 (+ |fibo_#t~ret8| |fibo_#t~ret7|))) (and (or (<= fibo_~n 6) (and (<= |fibo_#t~ret7| 8) (<= 8 |fibo_#t~ret7|) (<= .cse0 13) (<= 13 .cse0)) (<= 8 fibo_~n)) (let ((.cse2 (<= |fibo_#t~ret7| 1)) (.cse3 (<= 1 |fibo_#t~ret7|)) (.cse1 (= fibo_~n |fibo_#in~n|))) (or (and (<= |fibo_#t~ret7| 2) (<= fibo_~n 4) (<= 3 .cse0) (<= .cse0 3) .cse1 (<= 2 |fibo_#t~ret7|) (<= 4 |fibo_#in~n|)) (and (<= 8 .cse0) (<= 5 |fibo_#t~ret7|) (<= 6 fibo_~n) (<= |fibo_#t~ret7| 5) .cse1 (<= .cse0 8)) (and (<= 7 fibo_~n) .cse1) (and (<= fibo_~n 2) (< 1 fibo_~n) .cse2 (<= 1 .cse0) (<= .cse0 1) .cse3 .cse1) (and (<= .cse0 2) .cse2 (<= 3 fibo_~n) (<= 2 .cse0) .cse3 (<= fibo_~n 3) .cse1) (and (<= 5 .cse0) (<= 5 fibo_~n) (<= |fibo_#t~ret7| 3) (<= fibo_~n 5) .cse1 (<= 3 |fibo_#t~ret7|) (<= .cse0 5)))))) [2021-02-23 17:55:35,005 INFO L185 CegarLoopUtils]: At program point L8(lines 8 14) the Hoare annotation is: (= fibo_~n |fibo_#in~n|) [2021-02-23 17:55:35,006 INFO L185 CegarLoopUtils]: At program point L13-5(line 13) the Hoare annotation is: (let ((.cse2 (<= |fibo_#t~ret7| 1)) (.cse0 (+ |fibo_#t~ret8| |fibo_#t~ret7|)) (.cse3 (<= 1 |fibo_#t~ret7|)) (.cse1 (= fibo_~n |fibo_#in~n|))) (or (and (<= 5 |fibo_#res|) (<= 5 .cse0) (<= 5 fibo_~n) (<= |fibo_#t~ret7| 3) (<= fibo_~n 5) .cse1 (<= 3 |fibo_#t~ret7|) (<= .cse0 5) (<= |fibo_#res| 5)) (and (<= |fibo_#t~ret7| 2) (<= fibo_~n 4) (<= 3 .cse0) (<= |fibo_#res| 3) (<= .cse0 3) .cse1 (<= 3 |fibo_#res|) (<= 2 |fibo_#t~ret7|) (<= 4 |fibo_#in~n|)) (and (<= fibo_~n 6) (<= 8 .cse0) (<= |fibo_#res| 8) (<= 5 |fibo_#t~ret7|) (<= 6 fibo_~n) (<= |fibo_#t~ret7| 5) (<= 8 |fibo_#res|) .cse1 (<= .cse0 8)) (and (<= |fibo_#t~ret7| 8) (<= 13 |fibo_#res|) (<= 8 |fibo_#t~ret7|) (<= .cse0 13) (<= 7 fibo_~n) (<= 13 .cse0) (<= |fibo_#res| 13) .cse1) (and (<= .cse0 2) .cse2 (<= 2 |fibo_#res|) (<= 3 fibo_~n) (<= 2 .cse0) .cse3 (<= |fibo_#res| 2) (<= fibo_~n 3) .cse1) (and (<= 8 fibo_~n) .cse1) (and (<= 1 |fibo_#res|) (<= fibo_~n 2) (< 1 fibo_~n) .cse2 (<= 1 .cse0) (<= .cse0 1) .cse3 (<= |fibo_#res| 1) .cse1))) [2021-02-23 17:55:35,006 INFO L185 CegarLoopUtils]: At program point L13-6(line 13) the Hoare annotation is: (let ((.cse0 (<= |fibo_#t~ret7| 1)) (.cse1 (<= 1 |fibo_#t~ret7|))) (and (or (and (<= |fibo_#t~ret7| 8) (<= 13 |fibo_#res|) (<= 8 |fibo_#t~ret7|) (<= 7 fibo_~n) (<= |fibo_#res| 13)) (not (<= 5 |fibo_#in~n|)) (and (<= 5 |fibo_#res|) (<= |fibo_#t~ret7| 3) (<= fibo_~n 5) (<= 3 |fibo_#t~ret7|) (<= |fibo_#res| 5)) (and (<= fibo_~n 6) (<= |fibo_#res| 8) (<= 5 |fibo_#t~ret7|) (<= 6 fibo_~n) (<= |fibo_#t~ret7| 5) (<= 8 |fibo_#res|)) (<= 8 fibo_~n)) (or (<= fibo_~n 2) (and .cse0 (<= 2 |fibo_#res|) .cse1 (<= |fibo_#res| 2)) (not (<= |fibo_#in~n| 3))) (or (and (<= 1 |fibo_#res|) (< 1 fibo_~n) .cse0 .cse1 (<= |fibo_#res| 1)) (not (<= |fibo_#in~n| 2))) (= fibo_~n |fibo_#in~n|) (or (not (<= 4 |fibo_#in~n|)) (not (<= |fibo_#in~n| 4)) (and (<= |fibo_#t~ret7| 2) (<= |fibo_#res| 3) (<= 3 |fibo_#res|) (<= 2 |fibo_#t~ret7|))))) [2021-02-23 17:55:35,006 INFO L192 CegarLoopUtils]: At program point fiboENTRY(lines 7 15) the Hoare annotation is: true [2021-02-23 17:55:35,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 05:55:35 BoogieIcfgContainer [2021-02-23 17:55:35,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 17:55:35,028 INFO L168 Benchmark]: Toolchain (without parser) took 37647.31 ms. Allocated memory was 152.0 MB in the beginning and 695.2 MB in the end (delta: 543.2 MB). Free memory was 128.6 MB in the beginning and 510.9 MB in the end (delta: -382.4 MB). Peak memory consumption was 411.9 MB. Max. memory is 8.0 GB. [2021-02-23 17:55:35,028 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:55:35,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.34 ms. Allocated memory is still 152.0 MB. Free memory was 127.5 MB in the beginning and 118.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 17:55:35,029 INFO L168 Benchmark]: Boogie Preprocessor took 39.05 ms. Allocated memory is still 152.0 MB. Free memory was 118.2 MB in the beginning and 116.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 17:55:35,029 INFO L168 Benchmark]: RCFGBuilder took 633.56 ms. Allocated memory is still 152.0 MB. Free memory was 116.8 MB in the beginning and 135.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2021-02-23 17:55:35,029 INFO L168 Benchmark]: TraceAbstraction took 36595.67 ms. Allocated memory was 152.0 MB in the beginning and 695.2 MB in the end (delta: 543.2 MB). Free memory was 134.6 MB in the beginning and 510.9 MB in the end (delta: -376.3 MB). Peak memory consumption was 416.4 MB. Max. memory is 8.0 GB. [2021-02-23 17:55:35,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 352.34 ms. Allocated memory is still 152.0 MB. Free memory was 127.5 MB in the beginning and 118.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.05 ms. Allocated memory is still 152.0 MB. Free memory was 118.2 MB in the beginning and 116.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 633.56 ms. Allocated memory is still 152.0 MB. Free memory was 116.8 MB in the beginning and 135.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36595.67 ms. Allocated memory was 152.0 MB in the beginning and 695.2 MB in the end (delta: 543.2 MB). Free memory was 134.6 MB in the beginning and 510.9 MB in the end (delta: -376.3 MB). Peak memory consumption was 416.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 29]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 25]: Procedure Contract for main Derived contract for procedure main: 7 <= x - ProcedureContractResult [Line: 7]: Procedure Contract for fibo Derived contract for procedure fibo: ((((((((!(4 <= \old(n)) || ((((n <= 6 && \result <= 8) && 6 <= n) && 8 <= \result) && n == \old(n))) || ((5 <= n && n <= 5) && n == \old(n))) || (8 <= n && n == \old(n))) || (\result <= 3 && 3 <= \result)) || (((13 <= \result && 7 <= n) && \result <= 13) && n == \old(n))) && ((0 <= \result && \result <= 0) || 0 < n)) && ((!(\old(n) <= 2) || (1 <= \result && \result <= 1)) || \old(n) <= 0)) && ((((((((n <= 6 && \result <= 8) && 6 <= n) && 8 <= \result) && n == \old(n)) || (8 <= n && n == \old(n))) || (n <= 4 && n == \old(n))) || (5 <= \result && \result <= 5)) || (((13 <= \result && 7 <= n) && \result <= 13) && n == \old(n)))) && (((n <= 2 && n == \old(n)) || !(\old(n) <= 3)) || (2 <= \result && \result <= 2)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.5s, OverallIterations: 14, TraceHistogramMax: 67, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 612 SDtfs, 1450 SDslu, 1226 SDs, 0 SdLazy, 4821 SolverSat, 1100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1124 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 341 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2709 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 131 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 1762 PreInvPairs, 3229 NumberOfFragments, 1282 HoareAnnotationTreeSize, 1762 FomulaSimplifications, 97744 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 40 FomulaSimplificationsInter, 31470 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...