/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-with-pointer/simple-recursive.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 22:59:03,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 22:59:03,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 22:59:03,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 22:59:03,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 22:59:03,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 22:59:03,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 22:59:03,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 22:59:03,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 22:59:03,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 22:59:03,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 22:59:03,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 22:59:03,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 22:59:03,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 22:59:03,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 22:59:03,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 22:59:03,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 22:59:03,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 22:59:03,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 22:59:03,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 22:59:03,706 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 22:59:03,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 22:59:03,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 22:59:03,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 22:59:03,741 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 22:59:03,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 22:59:03,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 22:59:03,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 22:59:03,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 22:59:03,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 22:59:03,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 22:59:03,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 22:59:03,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 22:59:03,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 22:59:03,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 22:59:03,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 22:59:03,745 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 22:59:03,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 22:59:03,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 22:59:03,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 22:59:03,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 22:59:03,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 22:59:03,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 22:59:03,747 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 22:59:04,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 22:59:04,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 22:59:04,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 22:59:04,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 22:59:04,296 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 22:59:04,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-with-pointer/simple-recursive.c [2021-02-23 22:59:04,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9d458ff/0fca8815f1a34da0bf6e3551d380f198/FLAGa1d20da3b [2021-02-23 22:59:05,166 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 22:59:05,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-with-pointer/simple-recursive.c [2021-02-23 22:59:05,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9d458ff/0fca8815f1a34da0bf6e3551d380f198/FLAGa1d20da3b [2021-02-23 22:59:05,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9d458ff/0fca8815f1a34da0bf6e3551d380f198 [2021-02-23 22:59:05,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 22:59:05,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 22:59:05,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 22:59:05,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 22:59:05,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 22:59:05,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:59:05" (1/1) ... [2021-02-23 22:59:05,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240bf89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:05, skipping insertion in model container [2021-02-23 22:59:05,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 10:59:05" (1/1) ... [2021-02-23 22:59:05,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 22:59:05,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 22:59:05,930 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-with-pointer/simple-recursive.c[439,452] [2021-02-23 22:59:05,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:59:05,957 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 22:59:05,984 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-with-pointer/simple-recursive.c[439,452] [2021-02-23 22:59:05,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 22:59:06,010 INFO L208 MainTranslator]: Completed translation [2021-02-23 22:59:06,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06 WrapperNode [2021-02-23 22:59:06,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 22:59:06,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 22:59:06,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 22:59:06,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 22:59:06,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (1/1) ... [2021-02-23 22:59:06,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 22:59:06,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 22:59:06,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 22:59:06,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 22:59:06,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (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 22:59:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 22:59:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 22:59:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 22:59:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-02-23 22:59:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-02-23 22:59:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 22:59:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 22:59:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 22:59:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 22:59:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 22:59:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-02-23 22:59:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-02-23 22:59:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 22:59:06,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 22:59:06,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 22:59:06,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 22:59:06,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 22:59:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 22:59:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 22:59:06,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 22:59:06,865 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 22:59:06,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:59:06 BoogieIcfgContainer [2021-02-23 22:59:06,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 22:59:06,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 22:59:06,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 22:59:06,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 22:59:06,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 10:59:05" (1/3) ... [2021-02-23 22:59:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3492ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:59:06, skipping insertion in model container [2021-02-23 22:59:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 10:59:06" (2/3) ... [2021-02-23 22:59:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3492ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 10:59:06, skipping insertion in model container [2021-02-23 22:59:06,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 10:59:06" (3/3) ... [2021-02-23 22:59:06,879 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-recursive.c [2021-02-23 22:59:06,891 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 22:59:06,897 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 22:59:06,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 22:59:06,958 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 22:59:06,958 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 22:59:06,958 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 22:59:06,959 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 22:59:06,959 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 22:59:06,959 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 22:59:06,959 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 22:59:06,959 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 22:59:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2021-02-23 22:59:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 22:59:06,989 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:06,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:59:06,991 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:06,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:06,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1076901845, now seen corresponding path program 1 times [2021-02-23 22:59:07,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:07,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559350644] [2021-02-23 22:59:07,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:07,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:07,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:07,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:07,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:07,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:07,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:07,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:07,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:07,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:07,633 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 22:59:07,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559350644] [2021-02-23 22:59:07,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 22:59:07,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 22:59:07,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366187648] [2021-02-23 22:59:07,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 22:59:07,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:07,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 22:59:07,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 22:59:07,693 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 7 states. [2021-02-23 22:59:08,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:08,284 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2021-02-23 22:59:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 22:59:08,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2021-02-23 22:59:08,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:08,299 INFO L225 Difference]: With dead ends: 71 [2021-02-23 22:59:08,300 INFO L226 Difference]: Without dead ends: 42 [2021-02-23 22:59:08,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-02-23 22:59:08,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-02-23 22:59:08,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2021-02-23 22:59:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-02-23 22:59:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2021-02-23 22:59:08,400 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 27 [2021-02-23 22:59:08,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:08,401 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2021-02-23 22:59:08,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 22:59:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2021-02-23 22:59:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-23 22:59:08,402 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:08,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:59:08,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 22:59:08,403 INFO L428 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:08,404 INFO L82 PathProgramCache]: Analyzing trace with hash 827030606, now seen corresponding path program 1 times [2021-02-23 22:59:08,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:08,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303796674] [2021-02-23 22:59:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:08,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:08,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:08,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:08,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:08,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:08,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:08,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:08,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:08,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:08,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303796674] [2021-02-23 22:59:08,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:08,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2021-02-23 22:59:08,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141362326] [2021-02-23 22:59:08,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 22:59:08,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:08,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 22:59:08,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-23 22:59:08,683 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 14 states. [2021-02-23 22:59:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:09,661 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2021-02-23 22:59:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 22:59:09,662 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2021-02-23 22:59:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:09,664 INFO L225 Difference]: With dead ends: 60 [2021-02-23 22:59:09,664 INFO L226 Difference]: Without dead ends: 54 [2021-02-23 22:59:09,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-02-23 22:59:09,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-02-23 22:59:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2021-02-23 22:59:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-02-23 22:59:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2021-02-23 22:59:09,685 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 39 [2021-02-23 22:59:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:09,686 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2021-02-23 22:59:09,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 22:59:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2021-02-23 22:59:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-23 22:59:09,688 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:09,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:59:09,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 22:59:09,689 INFO L428 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:09,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:09,690 INFO L82 PathProgramCache]: Analyzing trace with hash -20769807, now seen corresponding path program 2 times [2021-02-23 22:59:09,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:09,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551019665] [2021-02-23 22:59:09,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:09,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:09,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:09,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:09,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:09,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:09,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:09,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:10,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:10,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:10,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:10,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:10,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:10,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:10,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:10,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:10,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:10,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:10,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:10,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:10,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551019665] [2021-02-23 22:59:10,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:10,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-02-23 22:59:10,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909003857] [2021-02-23 22:59:10,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-23 22:59:10,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:10,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-23 22:59:10,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-02-23 22:59:10,143 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 20 states. [2021-02-23 22:59:11,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:11,838 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2021-02-23 22:59:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-23 22:59:11,839 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2021-02-23 22:59:11,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:11,841 INFO L225 Difference]: With dead ends: 72 [2021-02-23 22:59:11,841 INFO L226 Difference]: Without dead ends: 66 [2021-02-23 22:59:11,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=282, Invalid=1440, Unknown=0, NotChecked=0, Total=1722 [2021-02-23 22:59:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-02-23 22:59:11,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-02-23 22:59:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-23 22:59:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2021-02-23 22:59:11,863 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 51 [2021-02-23 22:59:11,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:11,864 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2021-02-23 22:59:11,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-02-23 22:59:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2021-02-23 22:59:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-23 22:59:11,866 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:11,867 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 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 22:59:11,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 22:59:11,867 INFO L428 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash 2013089556, now seen corresponding path program 3 times [2021-02-23 22:59:11,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:11,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202910336] [2021-02-23 22:59:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:12,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:12,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:12,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:12,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:12,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:12,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:12,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:12,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:12,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:12,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:12,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:12,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:12,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:12,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202910336] [2021-02-23 22:59:12,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:12,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-02-23 22:59:12,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581304381] [2021-02-23 22:59:12,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 22:59:12,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:12,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 22:59:12,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2021-02-23 22:59:12,503 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 26 states. [2021-02-23 22:59:14,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:14,850 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2021-02-23 22:59:14,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-23 22:59:14,851 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 63 [2021-02-23 22:59:14,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:14,858 INFO L225 Difference]: With dead ends: 84 [2021-02-23 22:59:14,859 INFO L226 Difference]: Without dead ends: 78 [2021-02-23 22:59:14,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=491, Invalid=2701, Unknown=0, NotChecked=0, Total=3192 [2021-02-23 22:59:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-02-23 22:59:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-02-23 22:59:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 22:59:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2021-02-23 22:59:14,909 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 63 [2021-02-23 22:59:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:14,909 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2021-02-23 22:59:14,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 22:59:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2021-02-23 22:59:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 22:59:14,922 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:14,922 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:59:14,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 22:59:14,923 INFO L428 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:14,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:14,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1197412937, now seen corresponding path program 4 times [2021-02-23 22:59:14,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:14,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175920392] [2021-02-23 22:59:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:15,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:15,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:15,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:15,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:15,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:15,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:15,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:15,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:15,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175920392] [2021-02-23 22:59:15,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:15,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2021-02-23 22:59:15,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484383027] [2021-02-23 22:59:15,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-23 22:59:15,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:15,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-23 22:59:15,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2021-02-23 22:59:15,714 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 32 states. [2021-02-23 22:59:18,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:18,688 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2021-02-23 22:59:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-23 22:59:18,689 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 75 [2021-02-23 22:59:18,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:18,692 INFO L225 Difference]: With dead ends: 96 [2021-02-23 22:59:18,692 INFO L226 Difference]: Without dead ends: 90 [2021-02-23 22:59:18,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=757, Invalid=4355, Unknown=0, NotChecked=0, Total=5112 [2021-02-23 22:59:18,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-02-23 22:59:18,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2021-02-23 22:59:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-23 22:59:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2021-02-23 22:59:18,718 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 75 [2021-02-23 22:59:18,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:18,718 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2021-02-23 22:59:18,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2021-02-23 22:59:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2021-02-23 22:59:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-02-23 22:59:18,720 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:18,720 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:59:18,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 22:59:18,721 INFO L428 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:18,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:18,721 INFO L82 PathProgramCache]: Analyzing trace with hash -667635750, now seen corresponding path program 5 times [2021-02-23 22:59:18,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:18,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369835916] [2021-02-23 22:59:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:18,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:18,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:18,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:18,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:18,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:18,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:18,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:18,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:19,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:19,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:19,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:19,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369835916] [2021-02-23 22:59:19,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2021-02-23 22:59:19,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174571940] [2021-02-23 22:59:19,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-02-23 22:59:19,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:19,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-02-23 22:59:19,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1258, Unknown=0, NotChecked=0, Total=1406 [2021-02-23 22:59:19,617 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 38 states. [2021-02-23 22:59:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:23,230 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2021-02-23 22:59:23,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-23 22:59:23,231 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 87 [2021-02-23 22:59:23,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:23,233 INFO L225 Difference]: With dead ends: 108 [2021-02-23 22:59:23,234 INFO L226 Difference]: Without dead ends: 102 [2021-02-23 22:59:23,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1621 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1080, Invalid=6402, Unknown=0, NotChecked=0, Total=7482 [2021-02-23 22:59:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-02-23 22:59:23,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2021-02-23 22:59:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-23 22:59:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2021-02-23 22:59:23,260 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 87 [2021-02-23 22:59:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:23,261 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2021-02-23 22:59:23,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2021-02-23 22:59:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2021-02-23 22:59:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-02-23 22:59:23,262 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:23,263 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 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 22:59:23,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 22:59:23,263 INFO L428 AbstractCegarLoop]: === Iteration 7 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:23,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:23,264 INFO L82 PathProgramCache]: Analyzing trace with hash 438261117, now seen corresponding path program 6 times [2021-02-23 22:59:23,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:23,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949954599] [2021-02-23 22:59:23,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:23,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:23,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:23,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:23,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:23,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:23,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:24,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:24,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:24,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:24,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:24,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:24,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:24,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:24,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949954599] [2021-02-23 22:59:24,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:24,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2021-02-23 22:59:24,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469859698] [2021-02-23 22:59:24,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-02-23 22:59:24,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:24,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-02-23 22:59:24,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1699, Unknown=0, NotChecked=0, Total=1892 [2021-02-23 22:59:24,423 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 44 states. [2021-02-23 22:59:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:29,116 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2021-02-23 22:59:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-02-23 22:59:29,117 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 99 [2021-02-23 22:59:29,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:29,119 INFO L225 Difference]: With dead ends: 120 [2021-02-23 22:59:29,119 INFO L226 Difference]: Without dead ends: 114 [2021-02-23 22:59:29,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2306 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1460, Invalid=8842, Unknown=0, NotChecked=0, Total=10302 [2021-02-23 22:59:29,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-02-23 22:59:29,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2021-02-23 22:59:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-23 22:59:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2021-02-23 22:59:29,161 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 99 [2021-02-23 22:59:29,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:29,162 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2021-02-23 22:59:29,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 44 states. [2021-02-23 22:59:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2021-02-23 22:59:29,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-02-23 22:59:29,167 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:29,167 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 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 22:59:29,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 22:59:29,168 INFO L428 AbstractCegarLoop]: === Iteration 8 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:29,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:29,169 INFO L82 PathProgramCache]: Analyzing trace with hash 497524384, now seen corresponding path program 7 times [2021-02-23 22:59:29,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:29,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789541643] [2021-02-23 22:59:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:29,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:29,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:29,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:29,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:29,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:29,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:30,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:30,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:30,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:30,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:30,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:30,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:30,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:30,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:30,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:30,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789541643] [2021-02-23 22:59:30,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:30,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2021-02-23 22:59:30,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078624733] [2021-02-23 22:59:30,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-23 22:59:30,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:30,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-23 22:59:30,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=2206, Unknown=0, NotChecked=0, Total=2450 [2021-02-23 22:59:30,651 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 50 states. [2021-02-23 22:59:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:36,514 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2021-02-23 22:59:36,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-02-23 22:59:36,514 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 111 [2021-02-23 22:59:36,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:36,516 INFO L225 Difference]: With dead ends: 132 [2021-02-23 22:59:36,516 INFO L226 Difference]: Without dead ends: 126 [2021-02-23 22:59:36,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3111 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1897, Invalid=11675, Unknown=0, NotChecked=0, Total=13572 [2021-02-23 22:59:36,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-02-23 22:59:36,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2021-02-23 22:59:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-23 22:59:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2021-02-23 22:59:36,544 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 111 [2021-02-23 22:59:36,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:36,544 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2021-02-23 22:59:36,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 50 states. [2021-02-23 22:59:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2021-02-23 22:59:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-02-23 22:59:36,546 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:36,546 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 22:59:36,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 22:59:36,547 INFO L428 AbstractCegarLoop]: === Iteration 9 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:36,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:36,547 INFO L82 PathProgramCache]: Analyzing trace with hash 234113859, now seen corresponding path program 8 times [2021-02-23 22:59:36,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:36,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275591430] [2021-02-23 22:59:36,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:36,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:36,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:36,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:36,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:36,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:36,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:36,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:36,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:36,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:36,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:37,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:37,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:37,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:38,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:38,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:38,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:38,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:38,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:38,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:38,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:38,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:38,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:38,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:38,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:38,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:38,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:38,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275591430] [2021-02-23 22:59:38,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:38,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2021-02-23 22:59:38,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438533576] [2021-02-23 22:59:38,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-23 22:59:38,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:38,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-23 22:59:38,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=2779, Unknown=0, NotChecked=0, Total=3080 [2021-02-23 22:59:38,321 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 56 states. [2021-02-23 22:59:45,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:45,781 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2021-02-23 22:59:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-02-23 22:59:45,782 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 123 [2021-02-23 22:59:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:45,784 INFO L225 Difference]: With dead ends: 144 [2021-02-23 22:59:45,784 INFO L226 Difference]: Without dead ends: 138 [2021-02-23 22:59:45,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4036 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=2391, Invalid=14901, Unknown=0, NotChecked=0, Total=17292 [2021-02-23 22:59:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-02-23 22:59:45,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-02-23 22:59:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-23 22:59:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2021-02-23 22:59:45,812 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 123 [2021-02-23 22:59:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:45,813 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2021-02-23 22:59:45,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-23 22:59:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2021-02-23 22:59:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-02-23 22:59:45,814 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:45,815 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 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 22:59:45,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 22:59:45,815 INFO L428 AbstractCegarLoop]: === Iteration 10 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash -770958490, now seen corresponding path program 9 times [2021-02-23 22:59:45,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:45,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712635851] [2021-02-23 22:59:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:45,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:45,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:45,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:45,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:45,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:45,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:45,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:45,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:45,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:45,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:46,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:46,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:46,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:47,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:47,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:47,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:47,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:47,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:47,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:47,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:47,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:47,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:47,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712635851] [2021-02-23 22:59:47,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:47,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2021-02-23 22:59:47,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684830855] [2021-02-23 22:59:47,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-02-23 22:59:47,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:47,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-02-23 22:59:47,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=3418, Unknown=0, NotChecked=0, Total=3782 [2021-02-23 22:59:47,880 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 62 states. [2021-02-23 22:59:56,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 22:59:56,734 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2021-02-23 22:59:56,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-02-23 22:59:56,735 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 135 [2021-02-23 22:59:56,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 22:59:56,737 INFO L225 Difference]: With dead ends: 156 [2021-02-23 22:59:56,737 INFO L226 Difference]: Without dead ends: 150 [2021-02-23 22:59:56,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5166 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=2956, Invalid=18800, Unknown=0, NotChecked=0, Total=21756 [2021-02-23 22:59:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-02-23 22:59:56,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2021-02-23 22:59:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-02-23 22:59:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2021-02-23 22:59:56,763 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 135 [2021-02-23 22:59:56,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 22:59:56,764 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2021-02-23 22:59:56,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 62 states. [2021-02-23 22:59:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2021-02-23 22:59:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-23 22:59:56,765 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 22:59:56,765 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 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 22:59:56,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 22:59:56,766 INFO L428 AbstractCegarLoop]: === Iteration 11 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 22:59:56,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 22:59:56,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1020645129, now seen corresponding path program 10 times [2021-02-23 22:59:56,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 22:59:56,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039688514] [2021-02-23 22:59:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 22:59:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:56,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:56,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:56,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 22:59:56,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:56,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:56,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:57,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:57,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:57,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:58,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:58,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:58,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:58,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,779 WARN L141 QuantifierPusher]: treesize reduction 16, result has 50.0 percent of original size [2021-02-23 22:59:58,781 WARN L147 QuantifierPusher]: treesize reduction 16, result has 50.0 percent of original size 16 [2021-02-23 22:59:58,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:58,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:58,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:59,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:59,092 WARN L141 QuantifierPusher]: treesize reduction 11, result has 21.4 percent of original size [2021-02-23 22:59:59,093 WARN L147 QuantifierPusher]: treesize reduction 11, result has 21.4 percent of original size 3 [2021-02-23 22:59:59,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:59,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:59,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 22:59:59,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 22:59:59,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:59,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 22:59:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 22:59:59,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 22:59:59,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 22:59:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 477 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 22:59:59,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039688514] [2021-02-23 22:59:59,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 22:59:59,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2021-02-23 22:59:59,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571952223] [2021-02-23 22:59:59,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-23 22:59:59,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 22:59:59,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-23 22:59:59,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=4570, Unknown=0, NotChecked=0, Total=4970 [2021-02-23 22:59:59,583 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 71 states. [2021-02-23 23:00:07,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:00:07,913 INFO L93 Difference]: Finished difference Result 163 states and 164 transitions. [2021-02-23 23:00:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-02-23 23:00:07,913 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 147 [2021-02-23 23:00:07,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:00:07,914 INFO L225 Difference]: With dead ends: 163 [2021-02-23 23:00:07,914 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:00:07,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8651 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=3432, Invalid=24624, Unknown=0, NotChecked=0, Total=28056 [2021-02-23 23:00:07,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:00:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:00:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:00:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:00:07,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2021-02-23 23:00:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:00:07,919 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:00:07,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2021-02-23 23:00:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:00:07,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:00:07,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:00:07,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:00:08,352 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 53 [2021-02-23 23:00:09,287 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2021-02-23 23:00:09,994 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 131 [2021-02-23 23:00:10,819 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 140 [2021-02-23 23:00:11,490 WARN L202 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 115 [2021-02-23 23:00:11,811 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-02-23 23:00:12,000 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2021-02-23 23:00:12,911 WARN L202 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 153 [2021-02-23 23:00:13,646 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:00:14,232 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 115 [2021-02-23 23:00:14,877 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:00:15,321 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2021-02-23 23:00:15,909 WARN L202 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2021-02-23 23:00:16,741 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 153 [2021-02-23 23:00:17,257 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 100 [2021-02-23 23:00:17,878 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 126 [2021-02-23 23:00:17,883 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:00:17,883 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:00:17,883 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-23 23:00:17,884 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 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 23:00:17,884 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,885 INFO L192 CegarLoopUtils]: At program point fooEXIT(lines 11 20) the Hoare annotation is: true [2021-02-23 23:00:17,885 INFO L185 CegarLoopUtils]: At program point fooENTRY(lines 11 20) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (= .cse0 20)) (= 20 .cse1)) (or (and (<= .cse1 18) (<= 18 .cse1)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= .cse0 15)) (not (<= 15 .cse0)) (and (<= 15 .cse1) (<= .cse1 15))) (or (not (<= 14 .cse0)) (and (<= .cse1 14) (<= 14 .cse1)) (not (<= .cse0 14))) (or (and (<= .cse1 17) (<= 17 .cse1)) (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= .cse1 16)) (not (<= .cse0 16))) (or (not (= .cse0 10)) (= 10 .cse1)) (or (not (<= .cse0 13)) (and (<= .cse1 13) (<= 13 .cse1)) (not (<= 13 .cse0))) (or (not (<= .cse0 11)) (and (<= .cse1 11) (<= 11 .cse1)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (and (<= 19 .cse1) (<= .cse1 19)) (not (<= .cse0 19))) (or (not (<= 12 .cse0)) (and (<= .cse1 12) (<= 12 .cse1)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,885 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (not (= .cse0 20)) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,885 INFO L185 CegarLoopUtils]: At program point L18-1(line 18) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (not (= .cse0 20)) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,886 INFO L185 CegarLoopUtils]: At program point fooErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (not (= .cse0 20)) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,886 INFO L185 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (= .cse0 20)) (and (= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 20) (= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,886 INFO L185 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse0 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse2 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (and (<= .cse0 12) (<= .cse1 12) (<= 12 .cse1) (<= 12 .cse0)) (not (<= 12 .cse2)) (not (<= .cse2 12))) (or (not (<= 14 .cse2)) (not (<= .cse2 14)) (and (<= .cse1 14) (<= .cse0 14) (<= 14 .cse1) (<= 14 .cse0))) (or (not (<= .cse2 11)) (and (<= .cse1 11) (<= 11 .cse1) (<= .cse0 11) (<= 11 .cse0)) (not (<= 11 .cse2))) (or (not (<= 17 .cse2)) (not (<= .cse2 17)) (and (<= .cse0 17) (<= .cse1 17) (<= 17 .cse1) (<= 17 .cse0))) (not (= .cse2 20)) (or (not (<= .cse2 15)) (and (<= 15 .cse1) (<= .cse1 15) (<= 15 .cse0) (<= .cse0 15)) (not (<= 15 .cse2))) (or (not (<= .cse2 13)) (and (<= .cse1 13) (<= .cse0 13) (<= 13 .cse0) (<= 13 .cse1)) (not (<= 13 .cse2))) (or (not (= .cse2 10)) (and (= .cse0 10) (= 10 .cse1))) (or (not (<= 19 .cse2)) (and (<= 19 .cse1) (= 19 .cse0)) (not (<= .cse2 19))) (or (and (<= .cse1 18) (<= .cse0 18) (<= 18 .cse1) (<= 18 .cse0)) (not (<= 18 .cse2)) (not (<= .cse2 18))) (or (not (<= 16 .cse2)) (and (<= 16 .cse0) (<= 16 .cse1) (<= .cse1 16) (<= .cse0 16)) (not (<= .cse2 16))))) [2021-02-23 23:00:17,886 INFO L185 CegarLoopUtils]: At program point L14-1(lines 14 19) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (or (not (= .cse0 20)) (and (= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 20) (= |foo_#t~mem10| 20) (= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)))) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,887 INFO L185 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse2 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (<= 18 .cse0)) (and (<= .cse1 18) (<= .cse2 18) (<= 18 .cse1) (<= 18 .cse2)) (not (<= .cse0 18))) (or (not (<= 14 .cse0)) (not (<= .cse0 14)) (and (<= .cse1 14) (<= .cse2 14) (<= 14 .cse1) (<= 14 .cse2))) (or (not (<= .cse0 11)) (and (<= .cse1 11) (<= 11 .cse1) (<= .cse2 11) (<= 11 .cse2)) (not (<= 11 .cse0))) (or (and (<= .cse2 12) (<= .cse1 12) (<= 12 .cse1) (<= 12 .cse2)) (not (<= 12 .cse0)) (not (<= .cse0 12))) (or (not (= .cse0 20)) (and (= .cse2 20) (= 20 .cse1))) (or (not (<= 17 .cse0)) (not (<= .cse0 17)) (and (<= .cse2 17) (<= .cse1 17) (<= 17 .cse1) (<= 17 .cse2))) (or (not (<= .cse0 13)) (and (<= .cse1 13) (<= .cse2 13) (<= 13 .cse2) (<= 13 .cse1)) (not (<= 13 .cse0))) (or (not (= .cse0 10)) (and (= .cse2 10) (= 10 .cse1))) (or (not (<= .cse0 15)) (not (<= 15 .cse0)) (and (<= 15 .cse1) (<= .cse1 15) (<= 15 .cse2) (<= .cse2 15))) (or (not (<= 19 .cse0)) (not (<= .cse0 19)) (and (<= 19 .cse1) (<= 19 .cse2) (<= .cse2 19) (<= .cse1 19))) (or (not (<= 16 .cse0)) (and (<= 16 .cse2) (<= 16 .cse1) (<= .cse1 16) (<= .cse2 16)) (not (<= .cse0 16))))) [2021-02-23 23:00:17,887 INFO L185 CegarLoopUtils]: At program point L14-2(line 14) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|) 10)) [2021-02-23 23:00:17,887 INFO L185 CegarLoopUtils]: At program point L12-1(lines 12 19) the Hoare annotation is: (let ((.cse3 (< 18 |foo_#t~mem9|)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse2 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse1 (select (select |#memory_int| foo_~p.base) foo_~p.offset))) (and (or (not (<= 12 .cse0)) (not (<= .cse0 12)) (and (<= |foo_#t~mem9| 12) (<= .cse1 12) (<= .cse2 12) (<= 12 .cse2) (<= 12 .cse1))) (or (not (= .cse0 10)) (and (= .cse1 10) (= |foo_#t~mem9| 10) (= 10 .cse2))) (or (and (<= .cse2 18) (<= .cse1 18) (<= 18 .cse2) (<= 18 .cse1) (<= |foo_#t~mem9| 18)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= .cse0 13)) (and (<= .cse2 13) (<= .cse1 13) (<= 13 .cse1) (<= 13 .cse2) (<= |foo_#t~mem9| 13)) (not (<= 13 .cse0))) (or (not (<= 14 .cse0)) (and (<= .cse2 14) (<= |foo_#t~mem9| 14) (<= .cse1 14) (<= 14 .cse2) (<= 14 .cse1)) (not (<= .cse0 14))) (or (not (<= 16 .cse0)) (and (<= 16 .cse1) (<= |foo_#t~mem9| 16) (<= 16 .cse2) (<= .cse2 16) (<= .cse1 16)) (not (<= .cse0 16))) (or (not (<= 17 .cse0)) (and (<= .cse1 17) (<= .cse2 17) (<= |foo_#t~mem9| 17) (<= 17 .cse2) (<= 17 .cse1)) (not (<= .cse0 17))) (or (not (<= .cse0 15)) (not (<= 15 .cse0)) (and (<= 15 .cse2) (<= |foo_#t~mem9| 15) (<= .cse2 15) (<= 15 .cse1) (<= .cse1 15))) (or (and (= .cse1 20) .cse3 (not (= 19 |foo_#t~mem9|)) (= 20 .cse2)) (not (= .cse0 20))) (or (not (<= 19 .cse0)) (and (<= |foo_#t~mem9| 19) (<= 19 .cse2) .cse3 (<= 19 .cse1) (<= .cse1 19) (<= .cse2 19)) (not (<= .cse0 19))) (or (not (<= .cse0 11)) (not (<= 11 .cse0)) (and (<= .cse2 11) (<= 11 .cse2) (<= .cse1 11) (<= 11 .cse1) (<= |foo_#t~mem9| 11))))) [2021-02-23 23:00:17,888 INFO L185 CegarLoopUtils]: At program point L14-3(line 14) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (not (= .cse0 20)) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,888 INFO L185 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: (let ((.cse3 (<= |foo_#t~mem9| 19)) (.cse2 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse1 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (not (<= 16 .cse0)) (and (<= |foo_#t~mem9| 17) (<= 16 .cse1) (<= 16 .cse2) (<= .cse2 16) (<= .cse1 16)) (not (<= .cse0 16))) (or (not (<= 17 .cse0)) (and (<= .cse1 17) (<= .cse2 17) (<= 17 .cse2) (<= |foo_#t~mem9| 18) (<= 17 .cse1)) (not (<= .cse0 17))) (not (= .cse0 20)) (or (not (= .cse0 10)) (and (= .cse1 10) (= 10 .cse2) (<= |foo_#t~mem9| 11))) (or (not (<= 19 .cse0)) (and .cse3 (<= 19 .cse2) (= 19 .cse1) (< 18 |foo_#t~mem9|)) (not (<= .cse0 19))) (or (not (<= .cse0 13)) (and (<= .cse2 13) (<= |foo_#t~mem9| 14) (<= .cse1 13) (<= 13 .cse1) (<= 13 .cse2)) (not (<= 13 .cse0))) (or (not (<= 12 .cse0)) (and (<= .cse1 12) (<= .cse2 12) (<= 12 .cse2) (<= 12 .cse1) (<= |foo_#t~mem9| 13)) (not (<= .cse0 12))) (or (and (<= .cse2 11) (<= |foo_#t~mem9| 12) (<= 11 .cse2) (<= .cse1 11) (<= 11 .cse1)) (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 14 .cse0)) (not (<= .cse0 14)) (and (<= .cse2 14) (<= |foo_#t~mem9| 15) (<= .cse1 14) (<= 14 .cse2) (<= 14 .cse1))) (or (not (<= .cse0 15)) (and (<= 15 .cse2) (<= .cse2 15) (<= 15 .cse1) (<= .cse1 15) (<= |foo_#t~mem9| 16)) (not (<= 15 .cse0))) (or (not (<= 18 .cse0)) (and .cse3 (<= .cse2 18) (<= .cse1 18) (<= 18 .cse2) (<= 18 .cse1)) (not (<= .cse0 18))))) [2021-02-23 23:00:17,888 INFO L185 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (not (= .cse0 10)) (or (not (<= .cse0 11)) (not (<= 11 .cse0))) (or (not (<= 19 .cse0)) (not (<= .cse0 19))) (or (not (<= 17 .cse0)) (not (<= .cse0 17))) (or (not (<= 14 .cse0)) (not (<= .cse0 14))) (or (not (<= .cse0 13)) (not (<= 13 .cse0))) (or (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (and (= (select (select |#memory_int| foo_~p.base) foo_~p.offset) 20) (< 18 |foo_#t~mem9|) (not (= 19 |foo_#t~mem9|)) (= 20 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|))) (not (= .cse0 20))) (or (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12))))) [2021-02-23 23:00:17,888 INFO L192 CegarLoopUtils]: At program point L12-4(lines 11 20) the Hoare annotation is: true [2021-02-23 23:00:17,888 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,888 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,888 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 22 28) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 23:00:17,889 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 22 28) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L192 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L192 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L185 CegarLoopUtils]: At program point L26-1(line 26) the Hoare annotation is: (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 10) [2021-02-23 23:00:17,889 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 22 28) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 23:00:17,889 INFO L192 CegarLoopUtils]: At program point L24-1(line 24) the Hoare annotation is: true [2021-02-23 23:00:17,889 INFO L185 CegarLoopUtils]: At program point L22(lines 22 28) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 23:00:17,890 INFO L192 CegarLoopUtils]: At program point L24-2(line 24) the Hoare annotation is: true [2021-02-23 23:00:17,890 INFO L192 CegarLoopUtils]: At program point L24-3(line 24) the Hoare annotation is: true [2021-02-23 23:00:17,890 INFO L192 CegarLoopUtils]: At program point plusFINAL(lines 6 9) the Hoare annotation is: true [2021-02-23 23:00:17,890 INFO L185 CegarLoopUtils]: At program point plusENTRY(lines 6 9) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (and (<= 16 .cse0) (<= .cse0 16)) (not (<= 16 .cse1)) (not (<= .cse1 16))) (or (and (<= 12 .cse0) (<= .cse0 12)) (not (<= 12 .cse1)) (not (<= .cse1 12))) (or (= 19 .cse0) (not (= 19 .cse1))) (or (not (<= 11 .cse1)) (not (<= .cse1 11)) (and (<= 11 .cse0) (<= .cse0 11))) (or (= .cse0 10) (not (= .cse1 10))) (or (not (<= .cse1 17)) (and (<= .cse0 17) (<= 17 .cse0)) (not (<= 17 .cse1))) (or (not (<= .cse1 14)) (and (<= .cse0 14) (<= 14 .cse0)) (not (<= 14 .cse1))) (or (not (<= .cse1 15)) (not (<= 15 .cse1)) (and (<= 15 .cse0) (<= .cse0 15))) (or (not (<= .cse1 13)) (and (<= 13 .cse0) (<= .cse0 13)) (not (<= 13 .cse1))) (or (and (<= 18 .cse0) (<= .cse0 18)) (not (<= 18 .cse1)) (not (<= .cse1 18))))) [2021-02-23 23:00:17,890 INFO L192 CegarLoopUtils]: At program point plusEXIT(lines 6 9) the Hoare annotation is: true [2021-02-23 23:00:17,891 INFO L185 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (let ((.cse3 (<= 18 .cse2)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (not (<= 12 .cse0)) (not (<= .cse0 12)) (and (<= .cse1 13) (<= 12 .cse2) (<= .cse2 13) (<= 13 .cse1))) (or (not (<= .cse0 14)) (and (<= .cse1 15) (<= 14 .cse2) (<= .cse2 15) (<= 15 .cse1)) (not (<= 14 .cse0))) (or (not (= 19 .cse0)) (and .cse3 (= .cse1 20))) (or (and (<= 17 .cse1) (<= .cse2 17) (<= 16 .cse2) (<= .cse1 17)) (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (not (<= .cse0 17)) (and (<= .cse1 18) (<= 17 .cse2) (<= .cse2 18) (<= 18 .cse1)) (not (<= 17 .cse0))) (or (not (<= .cse0 13)) (and (<= .cse2 14) (<= 14 .cse1) (<= .cse1 14) (<= 13 .cse2)) (not (<= 13 .cse0))) (or (and .cse3 (<= 19 .cse1) (<= .cse1 19)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 11 .cse0)) (not (<= .cse0 11)) (and (<= .cse1 12) (<= 11 .cse2) (<= 12 .cse1) (<= .cse2 12))) (or (and (<= 15 .cse2) (<= 16 .cse1) (<= .cse2 16) (<= .cse1 16)) (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (and (<= .cse2 11) (<= .cse1 11) (<= 11 .cse1)) (not (= .cse0 10)))))) [2021-02-23 23:00:17,891 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (not (<= .cse0 17)) (not (<= 17 .cse0)) (and (<= 17 .cse1) (<= .cse2 17) (<= 17 .cse2) (<= .cse1 17))) (or (and (<= .cse1 18) (<= 18 .cse2) (<= .cse2 18) (<= 18 .cse1)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (not (<= 12 .cse0)) (not (<= .cse0 12)) (and (<= .cse1 12) (<= 12 .cse2) (<= 12 .cse1) (<= .cse2 12))) (or (and (<= .cse1 13) (<= 13 .cse2) (<= .cse2 13) (<= 13 .cse1)) (not (<= .cse0 13)) (not (<= 13 .cse0))) (or (not (= 19 .cse0)) (and (= 19 .cse2) (= 19 .cse1))) (or (not (<= .cse0 15)) (not (<= 15 .cse0)) (and (<= 15 .cse2) (<= .cse1 15) (<= .cse2 15) (<= 15 .cse1))) (or (and (<= 11 .cse2) (<= .cse2 11) (<= .cse1 11) (<= 11 .cse1)) (not (<= 11 .cse0)) (not (<= .cse0 11))) (or (and (= .cse1 10) (= .cse2 10)) (not (= .cse0 10))) (or (not (<= .cse0 14)) (and (<= .cse2 14) (<= 14 .cse1) (<= 14 .cse2) (<= .cse1 14)) (not (<= 14 .cse0))) (or (and (<= 16 .cse1) (<= 16 .cse2) (<= .cse2 16) (<= .cse1 16)) (not (<= 16 .cse0)) (not (<= .cse0 16))))) [2021-02-23 23:00:17,892 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse2 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (not (<= .cse0 14)) (and (<= .cse1 14) (<= 14 .cse2) (<= 14 .cse1) (<= .cse2 14) (<= 14 |plus_#t~mem7|) (<= |plus_#t~mem7| 14)) (not (<= 14 .cse0))) (or (not (<= 18 .cse0)) (and (<= .cse2 18) (<= 18 .cse1) (<= .cse1 18) (<= 18 .cse2) (<= 18 |plus_#t~mem7|) (<= |plus_#t~mem7| 18)) (not (<= .cse0 18))) (or (not (<= .cse0 17)) (and (<= 17 .cse2) (<= .cse1 17) (<= 17 .cse1) (<= |plus_#t~mem7| 17) (<= .cse2 17) (<= 17 |plus_#t~mem7|)) (not (<= 17 .cse0))) (or (not (<= 12 .cse0)) (not (<= .cse0 12)) (and (<= .cse2 12) (<= |plus_#t~mem7| 12) (<= 12 .cse1) (<= 12 |plus_#t~mem7|) (<= 12 .cse2) (<= .cse1 12))) (or (not (<= 11 .cse0)) (not (<= .cse0 11)) (and (<= 11 |plus_#t~mem7|) (<= 11 .cse1) (<= .cse1 11) (<= |plus_#t~mem7| 11) (<= .cse2 11) (<= 11 .cse2))) (or (and (<= |plus_#t~mem7| 16) (<= 16 .cse2) (<= 16 .cse1) (<= .cse1 16) (<= .cse2 16) (<= 16 |plus_#t~mem7|)) (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (and (= .cse2 10) (= |plus_#t~mem7| 10) (= .cse1 10)) (not (= .cse0 10))) (or (and (<= 15 .cse1) (<= 15 |plus_#t~mem7|) (<= .cse2 15) (<= .cse1 15) (<= 15 .cse2) (<= |plus_#t~mem7| 15)) (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (and (= 19 .cse1) (= 19 .cse2) (= 19 |plus_#t~mem7|)) (not (= 19 .cse0))) (or (not (<= .cse0 13)) (and (<= |plus_#t~mem7| 13) (<= .cse2 13) (<= 13 |plus_#t~mem7|) (<= 13 .cse1) (<= .cse1 13) (<= 13 .cse2)) (not (<= 13 .cse0))))) [2021-02-23 23:00:17,892 INFO L185 CegarLoopUtils]: At program point L7-2(line 7) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse0 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse2 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (and (<= |plus_#t~mem7| 13) (<= |plus_#t~post8| 13) (<= 13 |plus_#t~post8|) (<= .cse0 13) (<= 13 |plus_#t~mem7|) (<= 13 .cse1) (<= .cse1 13) (<= 13 .cse0)) (not (<= .cse2 13)) (not (<= 13 .cse2))) (or (and (= .cse0 10) (= 10 |plus_#t~post8|) (= |plus_#t~mem7| 10) (= .cse1 10)) (not (= .cse2 10))) (or (not (<= .cse2 17)) (and (<= 17 .cse0) (<= .cse1 17) (<= 17 .cse1) (<= |plus_#t~post8| 17) (<= |plus_#t~mem7| 17) (<= .cse0 17) (<= 17 |plus_#t~mem7|) (<= 17 |plus_#t~post8|)) (not (<= 17 .cse2))) (or (not (<= 12 .cse2)) (and (<= .cse0 12) (<= |plus_#t~mem7| 12) (<= 12 |plus_#t~post8|) (<= |plus_#t~post8| 12) (<= 12 .cse1) (<= 12 |plus_#t~mem7|) (<= 12 .cse0) (<= .cse1 12)) (not (<= .cse2 12))) (or (not (<= .cse2 14)) (and (<= 14 |plus_#t~post8|) (<= .cse1 14) (<= 14 .cse0) (<= 14 .cse1) (<= |plus_#t~post8| 14) (<= .cse0 14) (<= 14 |plus_#t~mem7|) (<= |plus_#t~mem7| 14)) (not (<= 14 .cse2))) (or (and (= 19 .cse1) (= 19 |plus_#t~post8|) (= 19 .cse0) (= 19 |plus_#t~mem7|)) (not (= 19 .cse2))) (or (and (<= |plus_#t~mem7| 16) (<= 16 .cse0) (<= 16 .cse1) (<= .cse1 16) (<= .cse0 16) (<= |plus_#t~post8| 16) (<= 16 |plus_#t~mem7|) (<= 16 |plus_#t~post8|)) (not (<= 16 .cse2)) (not (<= .cse2 16))) (or (not (<= 11 .cse2)) (and (<= 11 |plus_#t~mem7|) (<= 11 .cse1) (<= .cse1 11) (<= |plus_#t~post8| 11) (<= |plus_#t~mem7| 11) (<= 11 |plus_#t~post8|) (<= .cse0 11) (<= 11 .cse0)) (not (<= .cse2 11))) (or (not (<= 18 .cse2)) (not (<= .cse2 18)) (and (<= .cse0 18) (<= 18 .cse1) (<= .cse1 18) (<= 18 .cse0) (<= |plus_#t~post8| 18) (<= 18 |plus_#t~mem7|) (<= |plus_#t~mem7| 18) (<= 18 |plus_#t~post8|))) (or (and (<= 15 .cse1) (<= 15 |plus_#t~post8|) (<= 15 |plus_#t~mem7|) (<= .cse0 15) (<= .cse1 15) (<= 15 .cse0) (<= |plus_#t~mem7| 15) (<= |plus_#t~post8| 15)) (not (<= .cse2 15)) (not (<= 15 .cse2))))) [2021-02-23 23:00:17,893 INFO L185 CegarLoopUtils]: At program point L7-3(line 7) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (let ((.cse3 (<= 18 .cse0)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse2 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (and (<= .cse0 11) (= 10 |plus_#t~post8|) (<= .cse1 11) (= |plus_#t~mem7| 10) (<= 11 .cse1)) (not (= .cse2 10))) (or (not (<= 12 .cse2)) (not (<= .cse2 12)) (and (<= .cse1 13) (<= |plus_#t~mem7| 12) (<= 12 |plus_#t~post8|) (<= |plus_#t~post8| 12) (<= 12 .cse0) (<= 12 |plus_#t~mem7|) (<= .cse0 13) (<= 13 .cse1))) (or (and (<= 17 .cse1) (<= |plus_#t~mem7| 16) (<= .cse0 17) (<= 16 .cse0) (<= |plus_#t~post8| 16) (<= 16 |plus_#t~mem7|) (<= 16 |plus_#t~post8|) (<= .cse1 17)) (not (<= 16 .cse2)) (not (<= .cse2 16))) (or (not (<= 18 .cse2)) (not (<= .cse2 18)) (and .cse3 (<= 19 .cse1) (<= |plus_#t~post8| 18) (<= 18 |plus_#t~mem7|) (<= |plus_#t~mem7| 18) (<= 18 |plus_#t~post8|) (<= .cse1 19))) (or (and .cse3 (= 19 |plus_#t~post8|) (= 19 |plus_#t~mem7|) (= .cse1 20)) (not (= 19 .cse2))) (or (not (<= .cse2 15)) (not (<= 15 .cse2)) (and (<= 15 .cse0) (<= 16 .cse1) (<= 15 |plus_#t~post8|) (<= 15 |plus_#t~mem7|) (<= .cse0 16) (<= .cse1 16) (<= |plus_#t~mem7| 15) (<= |plus_#t~post8| 15))) (or (not (<= .cse2 17)) (not (<= 17 .cse2)) (and (<= .cse1 18) (<= 17 .cse0) (<= |plus_#t~post8| 17) (<= .cse0 18) (<= 18 .cse1) (<= |plus_#t~mem7| 17) (<= 17 |plus_#t~mem7|) (<= 17 |plus_#t~post8|))) (or (and (<= |plus_#t~mem7| 13) (<= |plus_#t~post8| 13) (<= 13 |plus_#t~post8|) (<= .cse0 14) (<= 14 .cse1) (<= 13 |plus_#t~mem7|) (<= .cse1 14) (<= 13 .cse0)) (not (<= .cse2 13)) (not (<= 13 .cse2))) (or (not (<= 11 .cse2)) (and (<= 11 |plus_#t~mem7|) (<= .cse1 12) (<= 11 .cse0) (<= |plus_#t~post8| 11) (<= |plus_#t~mem7| 11) (<= 11 |plus_#t~post8|) (<= 12 .cse1) (<= .cse0 12)) (not (<= .cse2 11))) (or (not (<= .cse2 14)) (and (<= 14 |plus_#t~post8|) (<= .cse1 15) (<= 14 .cse0) (<= |plus_#t~post8| 14) (<= .cse0 15) (<= 15 .cse1) (<= 14 |plus_#t~mem7|) (<= |plus_#t~mem7| 14)) (not (<= 14 .cse2)))))) [2021-02-23 23:00:17,893 INFO L185 CegarLoopUtils]: At program point L7-4(line 7) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (let ((.cse3 (<= 18 .cse2)) (.cse1 (select (select |#memory_int| plus_~p.base) plus_~p.offset)) (.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (not (<= .cse0 17)) (and (<= .cse1 18) (<= 17 .cse2) (<= .cse2 18) (<= 18 .cse1) (<= |plus_#t~mem7| 17) (<= 17 |plus_#t~mem7|)) (not (<= 17 .cse0))) (or (not (<= 12 .cse0)) (not (<= .cse0 12)) (and (<= .cse1 13) (<= |plus_#t~mem7| 12) (<= 12 .cse2) (<= 12 |plus_#t~mem7|) (<= .cse2 13) (<= 13 .cse1))) (or (not (<= .cse0 14)) (not (<= 14 .cse0)) (and (<= .cse1 15) (<= 14 .cse2) (<= .cse2 15) (<= 15 .cse1) (<= 14 |plus_#t~mem7|) (<= |plus_#t~mem7| 14))) (or (not (<= .cse0 13)) (and (<= |plus_#t~mem7| 13) (<= .cse2 14) (<= 14 .cse1) (<= 13 |plus_#t~mem7|) (<= .cse1 14) (<= 13 .cse2)) (not (<= 13 .cse0))) (or (and (<= 15 .cse2) (<= 16 .cse1) (<= 15 |plus_#t~mem7|) (<= .cse2 16) (<= .cse1 16) (<= |plus_#t~mem7| 15)) (not (<= .cse0 15)) (not (<= 15 .cse0))) (or (not (<= 11 .cse0)) (and (<= 11 |plus_#t~mem7|) (<= .cse1 12) (<= 11 .cse2) (<= |plus_#t~mem7| 11) (<= 12 .cse1) (<= .cse2 12)) (not (<= .cse0 11))) (or (and (<= 17 .cse1) (<= |plus_#t~mem7| 16) (<= .cse2 17) (<= 16 .cse2) (<= 16 |plus_#t~mem7|) (<= .cse1 17)) (not (<= 16 .cse0)) (not (<= .cse0 16))) (or (and (<= .cse2 11) (<= .cse1 11) (= |plus_#t~mem7| 10) (<= 11 .cse1)) (not (= .cse0 10))) (or (and .cse3 (<= 19 .cse1) (<= 18 |plus_#t~mem7|) (<= |plus_#t~mem7| 18) (<= .cse1 19)) (not (<= 18 .cse0)) (not (<= .cse0 18))) (or (and .cse3 (= 19 |plus_#t~mem7|) (= .cse1 20)) (not (= 19 .cse0)))))) [2021-02-23 23:00:17,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:00:17 BoogieIcfgContainer [2021-02-23 23:00:17,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:00:17,905 INFO L168 Benchmark]: Toolchain (without parser) took 72353.77 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 131.1 MB in the beginning and 144.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 192.7 MB. Max. memory is 8.0 GB. [2021-02-23 23:00:17,905 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 155.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:00:17,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.02 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 120.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:00:17,905 INFO L168 Benchmark]: Boogie Preprocessor took 69.16 ms. Allocated memory is still 155.2 MB. Free memory was 120.6 MB in the beginning and 119.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:00:17,905 INFO L168 Benchmark]: RCFGBuilder took 780.40 ms. Allocated memory is still 155.2 MB. Free memory was 119.4 MB in the beginning and 135.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-02-23 23:00:17,906 INFO L168 Benchmark]: TraceAbstraction took 71034.45 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 134.6 MB in the beginning and 144.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 196.2 MB. Max. memory is 8.0 GB. [2021-02-23 23:00:17,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 155.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.02 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 120.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 69.16 ms. Allocated memory is still 155.2 MB. Free memory was 120.6 MB in the beginning and 119.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 780.40 ms. Allocated memory is still 155.2 MB. Free memory was 119.4 MB in the beginning and 135.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 71034.45 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 134.6 MB in the beginning and 144.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 196.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: 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: 11]: Procedure Contract for foo Derived contract for procedure foo: 1 - ProcedureContractResult [Line: 22]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for plus Derived contract for procedure plus: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.9s, OverallIterations: 11, TraceHistogramMax: 11, AutomataDifference: 47.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 1860 SDslu, 3384 SDs, 0 SdLazy, 7999 SolverSat, 447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1017 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 940 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26925 ImplicationChecksByTransitivity, 49.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 20 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 304 PreInvPairs, 356 NumberOfFragments, 6640 HoareAnnotationTreeSize, 304 FomulaSimplifications, 319652 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 6554 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 946 ConstructedInterpolants, 0 QuantifiedInterpolants, 535638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 477/2145 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...